Qingdao EVK Industrial Co., Ltd. is a professional manufacturer and trading company based in Qingdao, China, specializing in industrial flow control and piping solutions. Established in 2012, the company is a key member of the EVK Fitting Group, which operates multiple specialized production facilities including Yantai EVK Valve Manufacturing and Hebei EVK Pipe Fitting. The group maintains a significant manufacturing footprint of approximately 150,000 square meters and employs over 2,000 staff across its affiliated entities.
The company's extensive product portfolio includes a wide range of valves, such as gate, ball, butterfly, globe, and check valves, manufactured from cast iron, ductile iron, cast steel, and forged steel. These products adhere to international standards including DIN, BS, AWWA, API, and JIS. Additionally, they provide carbon steel butt welding fittings, forged steel fittings, malleable iron fittings, and various forged flanges in carbon and stainless steel. Beyond piping components, the company supplies automotive parts including brake pads, shoes, and discs, as well as fire hydrants and expansion joints.
Qingdao EVK Industrial Co., Ltd. is ISO 9001, ISO 14001, and CE certified, reflecting a commitment to international quality and environmental management standards. With an annual revenue between US$5 million and US$10 million, the company offers OEM and contract manufacturing services. They have successfully exported to more than 25 countries, serving a global clientele that includes prominent industry names such as CRANE, WALWORTH, OARI, and Missouri Pipe Fittings.
Qingdao Flow Lead Industrial Co., Ltd. is a professional manufacturer and trading company based in Qingdao, China, specializing in the production and export of industrial valves, actuators, and pipe fittings. Founded in 2006, the company operates a 45,000-square-meter facility that includes its own foundry for loose foam and sand casting, equipped with a modern mechanical molding line. In 2021, the company expanded its infrastructure with a standard eight-bay workshop and office building dedicated to machining, pressure testing, painting, and packaging.
The company offers a comprehensive range of valves, including gate, butterfly, ball, globe, check, and air valves, as well as strainers and expansion joints. These products are manufactured in standard materials such as cast iron, ductile iron, cast steel, and stainless steel, as well as specialized alloys like Bronze, Monel, Inconel, and Titanium. Their pipe fitting portfolio encompasses grooved, forged steel, malleable iron, and ductile iron fittings, alongside flanges and camlocks. These solutions serve critical sectors including water supply and treatment, fire fighting, and the oil and gas industries.
As an ISO 9001 certified organization, Qingdao Flow Lead Industrial Co., Ltd. emphasizes quality assurance and technical innovation, employing a team of over 150 personnel across production and technical departments. The company maintains a strong international presence, exporting over 90% of its output to markets in Northern Europe, Southeast Asia, South America, Africa, and the Middle East. They provide OEM and contract manufacturing services, supporting various global brands with reliable industrial components.
DIN3352 F4 Non-Rising Stem Metal Seat Gate Valve 4 Inch Gate Valve Flange DN100 Cast Iron Gate Valve$42
Cast Iron 12 Inch Wedge Soft Sesat Gate Valve with Rising Stem Double Flanged Gate Valves Dn300 Pn16 & Dn200 Gate Valve$35
Fuel Industry Carbon Steel Gate Valve 150# 2" Wcb High Temperatures$18
DIN3352 F4 Good Quality Pn10 Pn16 Dn 400 500mm 4 Inch Full Port Flange Cast Iron Gate Valve$15
BS5153 PN16 DN700 DN800 Ductile Iron Rubber Seat Metal Seat Non Return Valve Swing Check Valve$20
H44H-16 Cast Steel Horizontal Check Valve Carbon Steel Flange Thickened Body Anti-Backflow Swing Check Valve for Water Media$8
Dn 150 Actuator Electric Actuator Motorized Flange Lug butterfly Valve Dn80 Dn100 30s with Electric Actuator$22
DIN Standard Globe Valve Cast Iron DN50 2 Inch Globe Valve Manufacturer$12.8
H71W Dn40 Stainless Steel Low Temperature and High Pressure Wafer Check Valve PN40$8
Ai Valve Intelligent Fluid Equipment Hebei Co., Ltd.
🇨🇳 China
1999101-200 peopleManufacturer/Trading Company
Established brand
OEM manufacturer
Product customization
Patented technology
Shipments
15
Key customer
CONG TY TNHH THIET BI DIEN NUOC NHAT QUANG
Key market
🇻🇳 Vietnam
Description
Ai Valve Intelligent Fluid Equipment Hebei Co., Ltd. is a professional manufacturer and trading enterprise headquartered in Botou City, Hebei Province, China. With over 25 years of industry experience, the company operates a 20,800 square meter production facility and employs a workforce of over 100 personnel, including a specialized R&D team of senior engineers. The company is ISO 9001 certified and maintains a production capacity exceeding 1,000 tons annually, utilizing more than 25 sets of advanced equipment to provide one-stop services from casting to final inspection.
Cast Iron Smooth End Resilient Seated Gate Valve Flanged General Application Gate Valves Including Extension Spindle$75
Manual Iron Flanged Resilient Seat Gate Valve for Water 10 Inch Resilient Seat Gate Valve by Supplier$68
Brass Cap Non-rising Metal Seated Stem Gate Valves Ductile Iron Flanged Ends Gate for Water I Valve$63
Manual Thread End Ball Check Valve for Water Gate Structure$34
BS EN 1171 AWWA C509 Manual Power Water Gate Valve 150 Class API 6A Standard$45
Manual Cast Iron Wafer Check Valve for Water Supply$48
Manual Cast Iron 4inch Foot Valve Flange Water Check Structure$34.14
Water Single Bottom Valve DN150 Flange Bottom Valve Threaded Foot Valve$49.55
Wenzhou Chisun Import and Export Co., Ltd.
🇨🇳 China
202151-100 peopleManufacturer/Trading Company
Patented technology
High-tech enterprise
Low MOQ
Own brand
Shipments
479
Key customer
ООО "ПромАрм"
Key market
North America
Description
Wenzhou Chisun Import and Export Co., Ltd. is a specialized manufacturer and high-tech enterprise with over 20 years of experience in the industrial valve industry. Based in Wenzhou, China, the company operates a 15,000-square-meter factory equipped with advanced CNC machining centers, high-pressure water cutting, laser cutting, and electrostatic spraying lines. The firm integrates research, design, and production, maintaining dedicated R&D and CAD design centers to develop innovative fluid automation control systems.
The company specializes in the production of knife gate valves and industrial control valves, offering over 90 series and 8,700 specifications. Their extensive product portfolio includes unidirectional and bi-directional seal knife gate valves, slurry valves, pneumatic and electric valves, and rubber-lined valves designed for demanding environments. These products are widely utilized in sectors such as papermaking, petrochemicals, mining, sewage treatment, power generation, and food processing.
As an ISO 9001 certified manufacturer, Wenzhou Chisun adheres to international quality standards including API, MSS-SP-81, JIS, and DIN. The company provides comprehensive OEM and ODM services, supported by a technical team of core engineers and a robust quality control department. With self-support import and export rights, the company has established a strong international presence, exporting high-performance valves to markets in North America, Europe, Australia, Russia, and Southeast Asia.
Gate Valve Custom-Made Round, Square, or Rectangular$10
Customization Knife Gate Valve Oil, Chemical, and Power Industries$53.1
Personal Tailor Knife Gate Valve Excellent Corrosion Resistance, High-Temperature Resistance, and Wear Resistance$1
Zhejiang Zhongzheng Valve Co.,Ltd.
🇨🇳 China
1984101-200 peopleManufacturer/Trading Company/Service Company
Established brand
Product customization
Industry association member
High-tech enterprise
Key customer
CHINA GAS ASSOCIATION
Key market
Europe
Description
Zhejiang Zhongzheng Valve Co.,Ltd. is a manufacturer, trading company, and service provider based in Wenzhou, China, established in 1984. The company operates a factory covering 10,000m2 with a construction area of 5,000m2 and fixed assets exceeding 20 million Yuan. With over 101 to 200 employees, they specialize in the design, manufacture, testing, and sales of industrial valves, holding ISO 9001 and AZ mark certifications. Their extensive product range includes power station valves, gate valves, globe valves, ball valves, butterfly valves, check valves, and non-standard valves, with hundreds of specifications. They offer characteristic products such as water-sealed gate valves, vacuum isolation valves, slag discharge valves, and large-diameter gate and globe valves capable of handling high and low temperatures (from -196℃ to 600℃). Valve bodies are available in various international standard materials including WCB, LCB, WC6, WC9, 1Cr5Mo, 15CrMo1V, 20CrMoV, CF8, CF8M, CF3, CF3M, and 1Cr18Ni9Ti. Zhejiang Zhongzheng Valve Co.,Ltd. utilizes a computer-aided design center with 3D simulation for optimized valve parts and employs a networked management system for all operations. Their products are widely used in power stations, petrochemicals, urban construction, natural gas, medicine, metallurgy, and mining, with exports to the Middle East and South Asia. They also provide contract manufacturing services and maintain dedicated technical support and after-sales service departments.
Cryogenic Gate Valve
DIN Gate Valve
API Gate Valve
High Pressure Gate Valve
Forged Steel Gate Valve
Pressure Self-Sealing Globe Valve
Swing Check Valve
Xiamen Dervos Valves Industry Co., Ltd.
🇨🇳 China
200811-50 peopleManufacturer/Trading Company/Service Company
Product customization
Low MOQ
Own brand
ODM manufacturer
Shipments
32
Key customer
TAVAL SA
Key market
Europe
Description
Xiamen Dervos Valves Industry Co., Ltd., established in 2008, is a comprehensive provider of industrial valve solutions headquartered in Xiamen, China. The company operates as a manufacturer, trading company, and service provider, maintaining specialized production facilities for ball valves and GGC valves in Lishui, Zhejiang. With a workforce of 11 to 50 employees, Dervos integrates research and development, production, and procurement to serve global industrial needs, particularly within the oil and gas sector.
ASTM A105n 1 1/2 Inch Class 800, 3-Piece Gearbox Ball Valve
Shengao Valve Co., Ltd
🇨🇳 China
501-1000 peopleManufacturer/Trading Company/Service Company
High capacity factory
Own brand
High-tech enterprise
Low MOQ
Key customer
CHANGQING OILFIELD
Key market
🇺🇸 United States
Description
Shengao Valve Co., Ltd is a comprehensive industrial equipment manufacturing company headquartered in Shanghai, China. Established as a non-regional group company, it integrates manufacturing, R&D, sales, and services, operating with a registered capital of 120 million and employing over 501 to 1000 people. The company specializes in the production of a wide range of valves and industrial water pumps, offering over 80 varieties, 300 series, and thousands of specifications. Key product categories include Gate Valves, Butterfly Valves, Check Valves, Ball Valves, Globe Valves, Control Valves, Relief Valves, Diaphragm Valves, Plug Valves, Power Station Valves, Forged Steel Valves, and Industrial Water Pumps. Shengao Valve Co., Ltd operates four major production centers for casting valves, forging valves, special valves, and industrial water pumps. Their manufacturing facilities are equipped with over 300 advanced machines, including imported processing centers, CNC lathes, large precision vertical lathes, and automatic painting lines. The company holds ISO 9001, ISO 14001, and CE certifications, ensuring high-quality standards. They also provide comprehensive testing capabilities such as non-destructive testing, spectral analysis, physicochemical testing, hardness testing, wall thickness testing, and CAD valve design centers. Their products adhere to international standards including GB, JB, HG, API, ANSI, DIN, JIS, and BS, and are utilized across various industries such as petroleum, chemical, electric power, metallurgy, pharmaceutical, water, gas, and construction.
Gate Valve$1
API Gate Valve (Z41, Z43)$200
Forged Steel Gate Valve, Flanged End$15
Forged Steel Gate Valve, Flanged End$15
Forged Gate Valve, Pressure Seal Bonnet$20
Forged Steel Gate Valve, Socket Weld End$15
Valves (J41H/J41Y)$1
Zhejiang Deca Control Valve Meter Co., Ltd.
🇨🇳 China
1972101-200 peopleManufacturer
Established brand
Product customization
Patented technology
Industry association member
Shipments
5
Key customer
ООО МЕТРИКА
Description
Zhejiang Deca Control Valve Meter Co., Ltd. is a national high-tech manufacturer based in Wenzhou, China, specializing in the design, development, and production of industrial control valves. With a history dating back to 1972 and formally established under its current name in 2004, the company operates from a 19,000 sqm facility in Juyu Industrial Park. They employ between 101 and 200 professionals and have achieved significant scale as a first-tier supplier to major state-owned enterprises, including Sinopec, CNPC, CNOOC, and ChemChina.
The company's extensive product portfolio includes pneumatic and electric control valves, gate valves, ball valves, butterfly valves, and actuators. These products serve critical sectors such as oil and gas, petrochemicals, power generation, pulp and paper, and water treatment. Zhejiang Deca is recognized for its strong R&D capabilities, holding over 60 patents and operating a provincial-level high-tech enterprise R&D center equipped with CAD design and physical/chemical inspection centers.
Committed to international quality standards, the company holds numerous certifications including ISO 9001, ISO 14001, OHSAS 18001, and a Class A license for special equipment manufacturing. Their products also meet global technical requirements with API 6D, API 609, API 607, and API 6FA fire resistance certifications, as well as TUV SIL3 and Russian CU-TR certifications. Beyond the domestic market, the company exports its high-performance valve solutions to the Middle East, Kazakhstan, and other international regions.
API6d ASME Pneumaticcast Steel Gate Valve Class 600 Dn150$500
API6d ASME Pneumaticcast Steel Gate Valve Class 300 Dn300$500
API6d ASME Electric Parallel Double Disc Gate Valve Control Valve Class 150 36"$500
API6d ASME Electric Parallel Double Disc Gate Valve Control Valve Class 300 14"$500
API6d ASME Electric Parallel Double Disc Gate Valve Control Valve Class 150 28"$500
API6d Sil Ce Certified High Performance Shut off Actuator Ball Valve Class300 Dn40$500
API6d Ce Certified Cast Iron Stainless Steel Three Eccentric Butterfly Valve 300lb Dn450$1000
API6d Sil Ce Certified High Performance Shut off Actuator Ball Valve Class600 2"$500
API Double / Single Acting Pnuematic Control Flanged Ball Valve$850
API6d Sil Ce Certified High Performance Shut off Actuator Ball Valve Class300 Dn400$500
Sungo Valves Company
🇨🇳 China
1980501-1000 peopleManufacturer
High capacity factory
Established brand
OEM manufacturer
Patented technology
Key customer
KUWAIT OIL COMPANY
Key market
🇨🇳 China
Description
Sungo Valves Company, also known as Sungo Valves Group Co., Ltd. and Zhejiang Shangzheng Valves Co., Ltd., is a leading manufacturer of industrial steel valves based in Wenzhou, China. Established in 1980, the company has grown to employ over 680 staff, including more than 80 senior technical engineers, and operates five specialized manufacturing plants across Wenzhou and Shanghai, including a 26,000 square meter Shangzheng Science and Technology Park and an 80-acre high-tech valve R&D and production base. Sungo Valves specializes in the design, manufacture, and marketing of a comprehensive range of valves, offering 10 series and over 1600 varieties. Their extensive product portfolio includes ball valves, gate valves, check valves, globe valves, butterfly valves, plug valves, solenoid valves, hydraulic control valves, regulating valves, safety valves, cryogenic valves, bellows seal valves, and triple offset butterfly valves. They also provide flanged components, strainers, electric actuators, pneumatic actuators, and valve gearboxes. These products are available in sizes from 1/2"-120" (DN15-3000) and class ratings from 150LB-2500LB, utilizing materials from conventional cast or forged steel to special alloys like Monel, Inconel, Hastelloy, or Duplex steel, suitable for working temperatures from -196F to 650F. Sungo Valves offers OEM and ODM services and manufactures products in compliance with international standards such as GB, API, ANSI, ASME, DIN, BS, and JIS. The company holds numerous certifications including ISO 9001, ISO 14001, ISO 45001, API-6D, API 607, and CE. With advanced manufacturing capabilities, including over 350 sets of equipment like imported machining centers and CNC lathes, and a modern quality testing center featuring Wenzhou's only γ, x double ray valve body testing laboratory, Sungo Valves serves diverse industries such as oil, gas, refinery, chemical, marine, power generation, and pipeline transmission. They export their products to international markets including the USA, Europe, the Middle East, Korea, and Brazil.