Company Profile

Zhongya Valve Co., Ltd.

ZY since 1996
Year of Establishment 2013-01-09
Business Type Manufacturer/Factory & Trading Company
Registered Capital 10.48 Million USD
Main Products Gate Valve, Butterfly Valve, Ball Valve, Check Valve, Globe Valve, Forged Valve, Strainer, API Valve, Valve, Stainless Steel Valve
Main Markets North America, Europe, Southeast Asia/ Mideast
Annual Output Value US$2.5 Million - US$5 Million
Number of Employees 88
Management System Certification ISO9001:2008, ISO14001:2004, OHSAS18001:2007
No. of Production Lines 10
No. of R&D Staff 11-20 People
No. of QC Staff 5-10 People

Company Description

China zhongya valve Co., Ltd. is a collection research and development, manufacturing, sales and integrated high-tech enterprises. The company is located in No. 3511 Yongqiang Avenue Longwan District Wenzhou city Zhejiang China...The company introduces advanced technology from abroad, the modern scale production, and equips Germany processing center, Taiwan CNC machine, super precision vertical lathe, automatic painting line and special equipment, machining center, CNC machine tools, special molding, slinging cleaning, passivation treatment, ultrasonic cleaning equipment and a variety of valve pressure testing equipments. As well as equipped with photoelectric direct reading analyzer, thickness tester, radiographic, ultrasonic and liquid penetrant ect, non-destructive testing equipment to ensure that the company′s products can be manufactured strictly in accordance with clients′requirements of related standard, to meet the different demands of them.

The company mainly in producing gate valve, globe valve, ball valve, check valve, butterfly valve, hydraulic control valve, supply and drainage water equipment and a variety of special non-standard special valves.

The company implements API (USA) and EN (European Union), ISO (international organization for standardization), BS (British), JIS (Japan) and GB (China) and other major advanced industrial countries and the latest standards of the national standard designing production. Valve body materials are used of carbon steel, alloy steel, chrome molybdenum steel, stainless steel, low-temperature steel, high-temperature steel, nickel base and cobalt base alloy and other materials, and materials specified by the user. Products are widely used in petroleum, chemical, natural gas, coal chemical industry, electric power, shipbuilding, pharmaceutical, paper making, beer industry, food, building, water supply, prevent pollution, and a large number of them are exported to the United States, Europe, Russia, Middle East, Japan, South Korea and southeast Asia and other regions.

Distributorship Description

Basic Information

Countries Needed Brazil, United Kingdom, Armenia, Afghanistan, Thailand
Cooperators Needed wholesaler, agent, project bidding
Cooperation Type General Agent, Exclusive Agent, Non-Exclusive Agent, Distributor
Product Export Markets North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Existing Agents Country / Region United States, Afghanistan, Pakistan, Philippines
Trade Terms FOB, CIF, CFR
Payment Terms LC, T/T, PayPal, Western Union

Supporting Services

Technical Guidance The company has 11 engineers, including 5 senior engineers, 16 senior technical staff of bachelor degree above, with high technology, R & D personnel use the advanced design tools such as CAD, CAE, Solid-works and FEA ( finite element ) to ensure advancement, unity, validity and quality reliability . We always adhere to the policy of scientific and technological innovation , first quality and strengthening management. Good QAS has been established and constantly improved.
After-sale Service Our products takes guaranteed warranty, replacement for18 months.
Sample Available Send to sample as EXW price.
Products Specification
  • High-Performance 900lb 10'' API Wc6 Bevel Gear Gate Valve
    High-Performance 900lb 10'' API Wc6 Bevel Gear Gate Valve
  • API Stainless Steel CF8 (M) /CF3 (M) Flanged Gate Valve
    API Stainless Steel CF8 (M) /CF3 (M) Flanged Gate Valve
  • 2PC Stainless Steel Flanged SUS304, 316. Floating Ball Valve
    2PC Stainless Steel Flanged SUS304, 316. Floating Ball Valve
  • 10'' 900# Globe Valve High Pressure Globe Valve with Hand-Wheel Operated
    10'' 900# Globe Valve High Pressure Globe Valve with Hand-Wheel Operated
Product Certifications / Testing Reports API

Product Description

High-performance 900LB 10'' API WC6 Bevel Gear Gate Valve:

Product Description
Product Feature
wedge disc gate valve
flange gate valve
Product Specification / Models


4)Design & Manufacture standard:API6D,API600,BS1414,ASME B16.34,GB

5)Face to Face:API6D,API600,BS1414,ASME B16.10,DIN 3202, and BS 2080



































A182 F6

A182 F304

A182 F316

A182 F304L

A182 F316L

Stem Nut

ZCuA110Fe3 Bronze


QT400-15 ductile iron cast iron

Bonnet Bolt

35CrMoA 1Cr17Ni2 25Cr2MoVA 304 316 4Cr14Ni14W2Mo B7 B8 B8M


45 35CrMo 304 316 2H 8 8M

Disc sealing

13Cr and 18Cr-18Ni or HF(Co-Cr-W)

6)End Connection:ASME B16.11,ASME B16.5, ASME B16.47,MSS SP-44(2006),BS12627,ASME1.20.1,DIN 2543-2551

7)Test Standard:API598,ISO5208,API600,BS6755,

8)Structurer Standard:O.S&Y,BB,BG,Wedge disc,Flat disc,Inside screw nonrising stem type and so on.

9)Operate way:Hand wheel, gear,pneumatic and electric.
Product Certifications / Testing Reports CE

Product Description


API Stainless Steel CF8 (M) /CF3 (M) Flanged Gate Valve

1. Gate valve, carbon steel gate valve
2. Design: ANSI B16.34, API 6D, API600
3. Size: 2"-24"
4. Class: 150Lb-600lb
Applicable Standard:
Design Standard: API 600, BS1414, DIN3352
Face to Face: ASME B16.10, EN 558, DIN3202
End Flange: ASME B16.5, ASME B16.47, DIN2533
Buttwelding Ends: ASME B16.25, DIN3239
Inspection and Test: API 598, DIN3230

Products Range:
Size: 2" ~ 32"(DN50 ~ DN800)
Rating: ANSI 150lb ~ 600lb

Body Materials: Carbon Steel, Stainless Steel, Alloy Steel, Duplex Steel
Trim: Per API 600
Operation: Handwheel, Gear, Electric, Pneumatic, Hydraulic
Design Features
Full port design
OS&Y, outside and screw
Bolted bonnet, back seal structure
Flexible wedge, fully guided
Choice of Solid or split wedge
Extended stem design for low temperature
Flanged or butt-welding ends



Suitable medium

   Water, oil, air and some corrosive liquid


  1 Pieces


  Plastic bag, carton, plywood cases

Term of delivery

  FOB, CIF, CNF, Customer request available


  NINGBO, SHANGHAI, Customer request available

Delivery time

  7-40 days after confirm order

API Stainless Steel CF8 (M) /CF3 (M) Flanged Gate Valve

API Stainless Steel CF8 (M) /CF3 (M) Flanged Gate Valve


API Stainless Steel CF8 (M) /CF3 (M) Flanged Gate Valve
API Stainless Steel CF8 (M) /CF3 (M) Flanged Gate Valve
1. Are you manufacturer or trading company?
Of course we are manufacturer, Didtek established since 1985 and professional production of industrial valves over 30 years.
2. What is your main products?
Our main products are Ball valve, Butterfly valve, Gate valve, Globe valve, Check, Strainer, other valve, and made by casting or forged material.
3. Is samples available?
Yes, sample order is available for quality check and market test. But it is not free.
4. Do you have any products in stock?
Depends on your request, we have standard models in stock. Some special products and big order will be newly casting according to your order.
5. How do you guarantee the quality of products?
Quality is priority, we always attach the importance to quality control from the beginning to the end of the production.Every product will be fully assembled and carefully tested before painting, packing and shipping.
6. Do you have attended the exhibitions at other countries?
Yes, we attend the Valve Word in Dusseldorf Germany 2 year per time since 2010, and we also attend the PCVexpo in Russia.
7. What advantages do Didtek have compared to other factories?
(1) We can give the quotation within 12 hours and give the technical drawing within 24 hours.
(2) We will take full responsibility for the quality problems of our products.
(3) We have a warehouse in Germany with some stock.
(4) We have agent in Germany, England, Spain and Costa Rica, and our quality is recognized by our customers.
(5) We have a full inspection reports after the products finish production, including the 3.1 Certificate, Dimensions checking, Pressure testing and order information.
(6) We can supply the full rang of the accessories.

Product Certifications / Testing Reports ISO

Product Description

2PC Stainless Steel Flanged Floating Ball Valve SUS304, 316.16mpa Dn100mm

1). Size: 1/2"- 25" or  15mm-500mm

2). Material: WCB, LCB CF3, CF3M, CF8, CF8M, CN7M,CD-4MCu  

3). Class: 150LB, 300LB, 600LB, 900LB, 1500LB

4). Application: Water, Steam, Oil, Gas and some corrodible fluid 


5). Temperature range: -29°C-425°C                                                                 


6). Operate: lever, pneumatic, actuator    


7). Design and manufacture: API6D, BS 5351, API 608


8). Flange end dimension: ASME B16.5

9). Butt-welding end dimension: ASME B16.25   

10). Face to face: API 6D & ASME B16.10


11). Inspection and Test: API 598, API 6D, ISO 5208, BS 6755.   


12). Fire safe: API 607, API F6A


13). Anti static: API 608


14). Anti-Corrosion Material: NACE MR-01-75


15). Flanged end& Blow-out proof stem& Fire safe construction& Anti static device


16). Ball Type: Floating Ball


17). Port Type: Full Bore


18). ISO 5211 Mouting pad 


19). Ball and Stem: SS304, SS316,SS304L,SS316L,SS410,SS416.etc.


20). Valve Seat: PTFE / RPTFE / PCTFE / VITON / PEEK / DEVLON . etc.


21). Certificate: API, CE, TS, ISO, AZ

2PC Stainless Steel Flanged SUS304, 316. Floating Ball Valve2PC Stainless Steel Flanged SUS304, 316. Floating Ball Valve2PC Stainless Steel Flanged SUS304, 316. Floating Ball Valve
Product Certifications / Testing Reports CIQ

Product Description

Design Features

Straight pattern body design
OS&Y, outside screw and yoke
Tapered, globe, or plug disc
Renewable or welded seat
Bolted bonnet, back seal structure
Impact handwheel for 10" and above
Extended stem design for low temperature
ISO top flange for Bare stem globe valve

Technical Specification

Size: 2" -24" or DN 50-DN600
Pressure: Class150LB-2500LB or PN16-PN160 or 10k-40k
Material: WCB, LCB, WC6, WC9, C12, C5, CF8, CF8M, CF3, CF3M etc.
Design & Manufacture Std.: API600, ASME B16.34, BS1873
Face to Face Std.: ASMEB16.10, JISB2002, DIN3202, BS2080
End Connection Std.: ASME B1.20.1, ASME B16.11, ASME B16.5, JISB2212-JISB2214, DIN2543-2551
Test Standard: ISO5208, API598, JISB2003, BS 6755
Operated way: Hand wheel, Gear, Pneumatic, Electric Actuator.
10'' 900# Globe Valve High Pressure Globe Valve with Hand-Wheel Operated10'' 900# Globe Valve High Pressure Globe Valve with Hand-Wheel Operated