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Dervos, Complete Solutions to Industrial Valves
Dervos Profile
Xiamen Dervos Valves Industry Co.,Ltd (stock code 861601), founded in June 2008, is a one-stop industrial valves supplier integrated of R&D, manufacture, resource integration, and trade service. For 12 years, Dervos has been committed to finding solutions for industrial needs and providing professional service for both general and specialized valves.   Out of the ordinary, we have four well-managed centers----the marketing center, supply chain management center, manufacturing center and integration center, serve as four powerful engines driving Dervos ahead.   Dervos’ subsidiary company-- Xiamen Taval Valves Industry Co.,Ltd is devoted to wellhead equipment, meeting the more segmented and vertical requirements from our clients.   Accompanying with Taval, Dervos Group’s product range covers almost all valve types in all industries, greatly improving its service abilities to serve our business partners with the most stable quality, professional service and  competitive price.   Having developed for more than a decade, Dervos now has established sales agencies in over 20 countries and distributed its products to Europe, South America, and the Middle East. Our sales network covers 5 continents, 28 countries, and more than 70 large companies, among whom well-known operators such as BP, YPF, SHELL, and PETRONAS are covered.   Supplying suitable, qualified, and reasonably-priced valves for clients all over the world will remain our permanent pursuit. 
About Us
Our Products
As a professional exporter and supplier of industrial valves, Dervos has a complete product list, ranges from ball valve, gate valve, globe valve, check valve, butterfly valve, plug valve, strainers to needle valve, diaphragm valve, control valve, safety valve and so on. We offer customization service to meet clients' requirements on valve sizes, pressure ratings, materials, connection types, operations and structure design.
All Product
Our Certificates
API 607
API 6FA
API6D
ISO 15848-1 1-8
ISO 15848-1 1-4
API624
CE
ISO45001:2018
ISO 9001:2005
19001
WRAS  Certificate
SIRA Certificate
ISO9001, ISO14001, OHSAS18001, PED/CE,API 607, TS, API 6FA, WRAS 4AD2000W0, DNV-GL and etc are all available in Dervos upon clients' requests
Hot Products
With a supplier list of over 500 China valve manufacturers, Dervos could always find right products for our customers in an efficient way. Forged steel ball valve, cast steel ball valve, fully welded ball valve, flexible wedge gate valve, wafer check valve, swing check valve, concentric butterfly valve, bellow seal globe valve and etc are all in our hot product range.
  • Trunnion Mounted Ball Valve
    Trunnion Mounted DN300 PN63 DBB Ball Valve

    Trunnion mounted ball valve DN300 PN63 full bore Double Block and Bleed PMSS seal(metal seal+soft seal)blowout proof stem gearbox operation with LF2 body, LF2+ENP ball/seat and 410 stem. Quick Detail Type Ball Valve Size DN300 Design Pressure PN63 Construction DBB,Trunnion mounted ball valve ConnectionType Flange OperationType Gearbox Operated Body Material LF2 Ball Material LF2+ENP Stem Material 410 Seat Material LF2 +ENP Design Code API 6D Face to Face Dimension API 6D End Connection ASME B16.5 Pressure & Temp ASME B16.34 Medium Water, Oil and Gas Origin China

    • Trunnion Mounted DN300 PN63 DBB Ball Valve
    • Trunnion Mounted DN300 PN63 DBB Ball Valve
  • ASME B16.34 Y Type Globe Valve
    ASME B16.34 Y Type Globe Valve Plug Type Disc 4 inch CL150

    Y type globe valve. CF8 body/bonnet, F304 disc/stem, SS304+flexible graphite gasket and bronze bolt and nut. Plug type disc and Raised face flange connection.  Quick Detail  Type Globe Valve Size 4 inch DesignPressure CL150 Construction Y Type Globe Valve Connection Type Raised Face Flange Connection Operation Handwheel Design Code ASME B16.34 Face to Face ASME B16.10 Test & Inspection  API 598 Body Material CF8 Temperature Range -29~538℃ Application WOG

    • ASME B16.34  Y Type Globe Valve Plug Type Disc 4 inch CL150
    • ASME B16.34  Y Type Globe Valve Plug Type Disc 4 inch CL150
  • Pressure Balance Plug Valve With Lever
    Inverted Pressure Balanced Lubricated WCB 2 Inch Plug Valve

    Inverted Pressure Balanced Lubricated Plug Valve is 2 inch and WCB body with metal seated. Apply to temperature lower than 80℃. Quick Detail  Type Plug Valve Size 2” DesignPressure 150LB Construction Lubricated Type Plug Valve Connection Type Flange Connection Operation Lever/Wrench Design Code API6D Face to Face ASME B16.10 End Connection ASME B16.5 Pressure & Temp ASME B16.34 Test & Inspection  API6D Body Material A216 WCB Temperature Range <80℃ Application WOG

    • Inverted Pressure Balanced Lubricated WCB 2 Inch Plug Valve
    • Inverted Pressure Balanced Lubricated WCB 2 Inch Plug Valve
  • Pressure Seal Bonnet Gate Valve
    Pressure Seal Bonnet Gate Valve BW 8 Inch 2500LB

    The 8 inch Class 2500 gate valve is designed with pressure seal bonnet, butt weld connection, and gearbox operation. The 8 inch gate valve has carbon steel WCB body and trim 5. Quick Detail Type Gate Valve Size 8'' Design Pressure ANSI 2500 Construction Pressure Seal Bonnet, Flexible Wedge, Metal to Metal Seat ConnectionType Butt Weld (SW) OperationType Gearbox Operation Body Material A217 WC6 TrimMaterial Trim 5 Design Code API 600 Face to Face Dimension ASME B16.10 End Connection ASME B16.25 Pressure & Temp ASME B16.34 Medium Water, Oil and Gas Origin China Dimension & Material NPS      DN Class 2 2 1/2 3 4 6 8 10 12 14 16 18 20 24 50 65 80 100 150 200 250 300 350 400 450 500 600 L(RF) 900LB 368 419 381 457 610 737 838 965 1029 1130       1500LB 368 419 470 546 705 832 991 1130 1257 1384       2500LB 451 508 578 673 917 1022 1270             L1(BW) 900LB 216 254 305 355 508 660 787 914 991 1092 1346 1473 1600 1500LB 216 254 305 406 559 711 864 991 1067 1194 1697     2500LB 279 330 368 457 610 762 914 1041 1118 1245       L2(RTJ) 900LB 371 422 384 460 613 740 841 968 1038 1140       1500LB 371 422 473 549 711 841 1000 1146 1276 1407       2500LB 454 514 584 683 927 1038 1292             H(Opne) 900LB 554 637 680 796 1084 1372 1494 1550 1960 2210       1500LB 554 637 767 875 1094 1372 1655 1834 2150 2260 2460 2721 2940 2500LB 610 654 753 850 1254 1374 1685 1894 2226 2382 2585     W 900LB 300 350 350 400 560 460* 610* 610* 610* 760*       1500LB 300 450 450 560 305* 460* 610* 610* 760* 760*       2500LB 500 500 600 600 460* 460* 610*             Weight   (RF) 900LB 50 84 92 154 341 622 950 1295 1720 2380       1500LB 60 91 128 182 394 795 1370 2120 2800 3870       2500LB 121 175 195 229 720 1295 2250             Weight   (BW) 900LB 39 64 82 120 266 524 760 1090 1450 2018       1500LB 46 71 85 130 292 578 974 1615 2010 2815 3315 4150 5219 2500LB 88 135 144 158 500 892 1550 1978 2580 3780 5988     *Manual gear operator is recommended No. Part WCB WC6 WC9  C5 CF8 CF8M 1 Body A216 WCB A217 WC6 A217 WC9 A217 C5 A351 CF8 A351 CF8M 2 Seat A182 F6a A182 F22 A182 F22 A182 F5 A182 F304 A182 F316 3 Wedge A216 WCB A217 WC6 A217 WC9 A217 C5 A351 CF8 A351 CF8M 4 Stem A182 F6a SAEHNV3 A182 F304 A182 F316 5 Stuffing Box A216 WCB A217 WC6 A217 WC9 A217 C5 A351 CF8 A351 CF8M 6 Seal Ring ANSI 316L Flexible Graphite+316 7 Split Ring Steel F6 F6 F6 A182 F304 F316 8 Back Ring Steel Steel Steel Steel SS SS 9 Bolt A193 B7 A193 B7 A193 B7 A193 B7 A193 B8 A193 B8 10 Nut A194 2H A194 2H A194 2H A194 2H A194 Gr.8 A194 Gr.8 11 Yoke A216 WCB A217 WC6 A217 WC9 A217 C5 A351 CF8 A351 CF8M 12 Bolt A193 B7 A193 B7 A193 B7 A193 B7 A193 B8 A193 B8 13 Nut A194 2H A194 2H A194 2H A194 2H A194 Gr.8 A194 Gr.8 14 Packing Plate ANSI 410 ANSI 410 ANSI 410 ANSI 410 ANSI 304 ANSI 316 15 Packing Flexible Graphite(Braided and Ring) or PTFE 16 Split Pin Steel Steel Steel Steel Steel Steel 17 Eyebolt A193 B7 A193 B7 A193 B7 A193 B7 A193 B8 A193 B8 18 Gland A182 F6 A182 F6 A182 F6 A182 F6 A182 F304 A182 F316 19 Gland Flange A105 A105 A105 A105 A182 F304 A182 F316 20 Nut A194 2H A194 2H A194 2H A194 2H A194 Gr.8 A194 Gr.8 21 Stud A193 B7 A193 B7 A193 B7 A193 B7 A193 B7 A193 B7 22 Stem Nut Ni-resist A439-D2 23 Gear Box Purchased 24 Protector Steel 25 Nameplate ANSI 304 26 Rivet ANSI 304

    • Pressure Seal Bonnet Gate Valve BW 8 Inch 2500LB
    • Pressure Seal Bonnet Gate Valve BW 8 Inch 2500LB
  • Dual Disc Lug Check Valve 150 LB
    Duplex SS Check Valve Lug Type Dual Plate 8 Inch Class 150

    The 8 inch 150 LB dual disc non return check valve, designed per API 594, has dual plate and lug connection. The retainerless dual  plate check valve is made of duplex stainless steel 4A as its body and trim material. Quick Detail Type Check Valve Size 8'' DesignPressure Class 150 Construction Dual Plate Type, Retainerless Connection Lug Type Design & Manufacture API 594 End to End ASME B16.10 Connection ASME B16.5 Pressure & Temp ASME B16.34 Test & Inspection API 598 Body Material Duplex Stainless Steel 4A Trim Material Duplex Stainless Steel Media W.O.G. Design Feature 1.Shor face to face dimension 2.Small in size with light weight 3.Swift close of disc with small water hammer 4.Vertically or horizontally installed 5.Smooth flow passway with small flow resistance 6.Long cycle life and high reliability

    • Duplex SS Check Valve Lug Type Dual Plate 8 Inch Class 150
    • Duplex SS Check Valve Lug Type Dual Plate 8 Inch Class 150
  • Forged Steel ASTM A105 Globe Valve
    Forged Steel Globe Valve 1 Inch 800LB Threaded Manual

    The 1 inch 800LB female threaded globe valve has plug disc, reduced port and manual handwheel operation. The valve is made of A105N body and trim 5 as per API 602. Quick Detail Type Globe Valve Size 1'' Pressure Class 800 Construction Bolted Bonnet, Reduced Port, Outside Scew & Yoke ConnectionType NPT Female Thread OperationType Handwheel Operated Design Code API 602 End to End Dimension ASME B16.10 Connection ASME B1.20.1 Pressure & Temp ASME B16.34 Test & Inspection API 598 Body Material Forged Steel A105 TrimMaterial 13CR+Stellite Temperature Range -29℃~+427℃ Application Water, Oil, Gas Origin China Product Range 1.Size up to 4 inch 2.Design pressure between 150LB to 2500LB 3.Connection: flange, socket weld, thread 4.Operation: handwheel, gearbox, bare stem, with actuators 5.Body material: carbon steel, stainless steel, alloy steel 6.Trim material: trim 1, 5, 8, 10, 12, 16 and ect. 7.Bolted bonnet, pressure sealed bonnet, welded bonnet, screwed bonnet 8.Reduced bore, full bore Inspection Reports Along with each order, Dervos will provide inspection reports and material test reports free of charge after shipment. All these certificates will let you have a clear picture of inspection process and results. Plus, these reports can be used for traceability. 

    • Forged Steel Globe Valve 1 Inch 800LB Threaded Manual
    • Forged Steel Globe Valve 1 Inch 800LB Threaded Manual
  • LF2 Cryogenic Ball Valve
    Extended Stem Cryogenic Ball Valve LF2 1500LB BW

    The Class 1500 4'' cryogenic ball valve is designed with extended stem for low temperature application. The valve is made of LF2 with fully welded body, butt weld end and gearbox operation.  Design Feature -Fully welded & forged body -Extended stem or bonnet -Full port design and piggable -Anti blow-out stem -Antistatic function - Automatic cavity relief -Bi-directional seat and DBB design -With stem and seat grease fittings Quick Detail Type Ball Valve Size 4" Pressure ANSI 1500 Construction One-Piece Body, Fully Weld, Extended Stem or Bonnet, Full Port Connection Butt Weld Operation Gearbox Operated Body Material Low Temperature Steel A350 LF2 Design Code API 6D Pressure & Temp ASME B16.34 End to End Dimension ASME B16.10 End Connection ASME B16.25 Inspection API 598 Temperature Range -46℃~+200℃ Media Oil, Water, Gas Related Knowledge What is the difference between full bore and reduced bore ball valve? The internal diameter of a full bore ball valve is the same as the inner diameter of the pipe. The full bore ball valve has little resistance and pressure drop to the flow. Plus, the full bore ball valve is piggable. However, the internal diameter of a reduced port (standard port) ball valve is smaller than the inner pipe size. Flow restriction caused by the reduced port will cause a pressure drop. And sometimes a pig to clean the pipe will get stuck in the reduced port ball valve. Certificates Dervos could provide reports upon clients’ requests, such as ISO 9001, PED CE, EAC, API 607, API 6D, API 6A and etc.

    • Extended Stem Cryogenic Ball Valve LF2 1500LB BW
    • Extended Stem Cryogenic Ball Valve LF2 1500LB BW
  • SS High Performance Butterfly Valve
    Double Offset High Performance Butterfly Valve CF8M 3 Inch

    The double offset high performance butterfly valve, with lever operation and lug body, is designed per API 609. The CF8M body and PTFE seat butterfly valve is more durable in serving the application. Quick Detail Type Butterfly Valve Size 3'' Design Pressure 150LB Construction Double Eccnetric, Soft Seat Connection Type Lug Operation Wrench Operated Design Code API 609 Face to Face ASMEB16.10 End Connection ASMEB16.5 Test & Inspection API 598 Body Material Stainless Steel CF8M Temperature Range -29℃~+150℃ Application Water, Oil, Gas Dimension Class 150 DN mm 40 50 65 80 100 125 150 200 250 300 350 400 NPS in 1 1/2 2 2 1/2 3 4 5 6 8 10 12 14 16 L mm       127 127 127 127 152 203.2 203.2 203.2 203.2 in       5 5 5 5 6 8 8 8 8 L1 mm 38.1 46 50.8 48 54 63.5 57 63.5 71.5 81 92 101.5 in 1.5 1.81 2 1.88 2.13 2.5 2.25 2.5 2.81 3.19 3.62 4 H mm 185 190 220 229 239 252 284 307 337 392 435 481 in 7328 7.48 8.7 9 9.4 9.9 11.2 12 13.3 15.4 17.1 19 D(W) mm 160 160 160 160 160 160 160 200 200 250 250 300 in 6.3 6.3 6.3 6.3 6.3 6.3 6.3 7.9 7.9 9.8 9.8 11.8 Weight  (Kg) mm       12.5 13.5 17 38 72 105 148 182 230 in 8 9 10 10 11 14.5 34.2 66 98 134 168 200 Related Knowledge What is a high performance butterfly valve? A high performance butterfly valve is often designed with double offset and PTFE seat, to handle everything from general applications to viscous and corrosive liquids; corrosive gases and steam. Compared to concentric resilient seat butterfly valve, the disc of the high performance butterfly valve is arranged and positioned off the center of the pipe bore, which could reduce wear and tear to the valve during operation and increase sealing performance. In conlusion, high performance butterfly valve is applicable for higher pressure and temperature applications. Meanwhile, it has longer cycle life and better sealing ability.

    • Double Offset High Performance Butterfly Valve CF8M 3 Inch
    • Double Offset High Performance Butterfly Valve CF8M 3 Inch
Comments

"Everything is perfectly made. We are grateful for the confidence you are showing in our organization and fully trust our hard-work will be fruitful for both of our companies.  You are truly a GEM for Dervos Valves. Our best compliments to you!"

"Your customer service is outstanding.    ... ...  The check valves works fine and the customer service certainly makes up for it.    ... ...  The customer service couldn’t be better."

"We are very satisfied with all your kind business supports. You are always kindly answering all our questions. So, we thank you for all your efforts. When we have any new project, we will readily make a contact with you!"

"I’ve received your document today. Thank you so much.  Our engineer says your report seems to have been done quite well, he appreciated, of course we haven’t got the vannes so we haven’t had a check, but I believe there won’t be problem, hope so."

"Thank you for engaging with our organisation regarding Dervos. We place various orders with Dervos and products were always completed ex-factory, to drawing and within the time periods indicated. Dervos is a very proud company and place huge emphasis in delivering quality products to their customers."

UAE
UAE
Industry Knowledge
  • Forged Steel Ball Valve vs Cast Steel Ball Valve
    Forged Steel Ball Valve vs Cast Steel Ball Valve
    2021-06-16

    We often regard 2 inch as the dividing line to decide forging or casting of valves. Unlike other valves, the manufacturing method of ball valve is not subject to valve size. Even for big size ball valves, we will use forging way sometimes. Compared to cast steel ball valves, forged steel ball valves can bear more strength and more serviceable. The quality of original material forging is of better quality with less defectiveness. For high pressure working condition, we'd better choose forged steel ball valves. Cast ball valves come with less weight and lower cost than forged one. Xiamen Dervos is an API Certified check valve manufacturing and trading company that specializes in the production of various kinds of valve. In addition to ball valve, we also produce other industrial pipeline valves, such as gate valves, globe valves, plug valves and butterfly valve. To learn more about our industry-leading products, contact us today.

  • Bellows Sealed Globe Valves vs Ordinary Globe Valves
    Bellows Sealed Globe Valves vs Ordinary Globe Valves
    2021-05-27

    As a component in the pipeline, valves control the connection and cut-off of the fluid. Valve is like a brake pad on the car, one broke, it may lead to unexpected consequences.  Therefore, the valve's performance and service life directly affect the operation of the system. If the valve is damaged, the system must be shut down for maintenance, the losses which brings immensely outweigh the cost of such a few valves. The quality and life of the valve are so important. The bellows sealed globe valve is particularly outstanding in both aspects. Its double seal guarantees zero leakage but also reaches zero leakage in the helium mass spectrometry test. Very safe and reliable. The bellows can be cycled more than 10,000 times without damage, greatly exceeding the service life of an ordinary globe valve packing seal. In addition, the bellows sealed valve can prevent external dust from entering the valve body to ensure the cleanliness of the medium. In conditions such as high-purity silicon powder, pure oxygen, food, vacuum and other working conditions, the bellows globe valves still have a very outstanding performance. In the process of switching, common globe valves will see dynamic friction between packing and stem, and the packing will be worn and fail.  When globe valves are in high and low-temperature occasions, their packing will expand or contract, packing changes, resulting in packing seal failure; As for low-temperature conditions, the packing is easy to freeze,  the packing is easy to be scratched by ice in the witching process. In short, the advantages of the bellows globe valve compared with the ordinary globe valve can be summarized as follows. 1. The bellows globe valve can meet the request of zero external leakage in helium mass spectrometry. 2. The service life of the bellows sealed globe valve is much higher than that of the common globe valve, whose packing is susceptible and replacement frequency is higher. 3. The bellows sealed globe valve has a metal barrier at the stem seal, which can be used in working conditions where absolute isolation is required inside and outside the valve. 4. The bellows of the bellows sealed globe valve can expand and contract, which is not affected by thermal expansion and contraction, and it has very obvious advantages in the occasion of large temperature differences. 5. The bellows valve has double sealing. the bellows instinct, the packing is completely isolated from the medium, which protects the packing well and greatly extends the service life. Dervos is a leading valve manufacturer and provider of engineered products for different industries. If you’re looking for feasible solutions, check out our vast range of high-quality valves which includes gate valves, ball valves, butterfly valves, as well as other control valves and more. For more information regarding our high-quality products, contact us today.

  • When to use a Knife Gate Valve
    When to use a Knife Gate Valve
    2021-05-13

    Sometimes it is hard to choose between using a knife gate valve or a butterfly valve for certain applications. Both have their merits and both should be picked according to the media and how it will be used. Both are available in manual operation (hand wheel, gear box or lever) as well as withpneumatic or electric actuators Ask these questions before making the choice: l Is the media abrasive? l Will there be large suspended solids? l Is there likely to be solid material present in the line when closing? If the answer to any of the above question is yes, a knife gate valve is what you’re supposed to have. Typical applications for knife gate valves include; - Sewerage & Effluent - Vacuum Trucks - Fluid Transfer Trucks - Slurry - Grain Silos Xiamen Dervos is an API Certified check valve manufacturing and trading company that specializes in the production of various kinds of valve. In addition toKnife gate valve, we also produce other industrial pipeline valves, such as ball valves, globe valves, plug valves and butterfly valve. To learn more about our industry-leading products, contact us today.

Company News
Another Big Step of Qualification, Dervos Gains API 6D Certificate
Another Big Step of Qualification, Dervos Gains API 6D Certificate
2021-04-30

Dervos successfully passed the API-6D certification issued by the American Petroleum Institute (API), and today the certificate has been granted to Dervos, which is another upgrade of our qualification!   In order to achieve deeper cooperation with customers, and to further meet the ever-increasing needs of our customers,Dervos has been constantly striving to improve the quality of our products and production strength, and to provide better products and services to our customers. We look forward to working with our customers to achieve a win-win situation!   API certification   API is the abbreviation of American Petroleum Institute (API), which was established in 1919 and is the first national business association in the United States and one of the earliest and most successful standard-setting chambers of commerce in the world.   The organization was based on the characteristics of the industry and the needs of the industry itself. The API Code was developed in 1924 to provide technical specifications to guide the production of products related to the petroleum industry. Due to the advanced, universal and safe nature of the API Code developed by the API Organization and the expanding influence of the US oil industry in the world, the API Code has been widely adopted by countries around the world. As a result, the API Organization, originally meant to be an academic organization for the US petroleum industry, has now evolved into an authoritative academic organization for the petroleum industry that crosses national boundaries.  

Dervos Releases New Documents of ISO
Dervos Releases New Documents of ISO
2021-04-09

In order tobetter manage the work of each department, facilitate interdepartmental cooperation and improve working efficiency, Dervos officially released the company's ISO system document - DVS-procedure document on April 1, which will be officially implementedfrom the day   Thenew ISO system documents include a total of 31 specification documents,coveringall the content of the existing departments of the company. These documents provide guidance and requirements for howDervos could manage production and serveour customers in a more thoughtful and effective way.   Dervos, exploring the valve market for more than ten years, insists on bringing better quality products to the market. In the downturn of the market environment hit by the epidemic, we are still seeking and improving, hoping to serve our customers better.

DVS 2020 End-Year Meeting and Party
DVS 2020 End-Year Meeting and Party
2021-03-09

After nearly a half month of preparation, our 2020 annual meeting which was postponed due to domestic mildly worse COVID-19 situation last winter, was finally held successfully on 2 March.   Instead of coming straight to the work report, Eric Wong, Dervos CEO, who also presided the meeting, firstly recalled our 3-year development plan, adding pursuing collective prosperity to this work guide.   “This is the most coarse but primitive wish we came together here, right?”, he said, “concrete benefits speak louder than any other cliche.”   Meanwhile, he delivered his wish that everyone could enjoy time in Dervos. In the following course of this meeting, Eric reviewed and presented what the company had done in the past harsh year. In the terms of 2021 plans, he introduced the pending structural adjustment and stock incentive system, vowing that he would double efforts to enhance the collective cohesion and lead the team and the company to a new high.   In the afternoon, we headed to a photographic studio to get our 2021 brand-new personal profile picture. Ready for gorgeous shots, all of DVSers are in well dressed and makeup. We regard this shot as a rare opportunities to express the extrinsic ourselves, and of course, we also have outstanding intrinsic professional qualities. It got late, and the after-party begun. If you’re familiar with Dervos and the city the firm located,  we have a traditional activity called BoBing, or "gambling for cakes", to celebrate the Mid-Autumn Festival, and it is the same activity that dominates the new year celebration. What’s different is that thecake this time is cash instead of gifts.   Roc, head of our Zhejiang branch, luckily became the biggest winner. At the moment, we finally put a period to all works and tasks of 2020. With a full year of memories and lessons, Dervos is eager for new challenges and opportunities ahead. Thanks for supports from all of our clients in this tough year. Dervos will continue to bring quality products to this market.   Hope we meet you there.

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