Leadertek Precision Inc., a subsidiary of the Deans Group, is a specialized manufacturer and exporter of precision industrial components based in Taichung, Taiwan. Established in 1988, the company operates from a significant manufacturing footprint of 10,000 square meters and maintains ISO 9001:2015 certification for its quality management systems. The company serves as a comprehensive provider of electromechanical solutions, offering OEM, ODM, and OBM services to a global clientele, with a strong export presence in the United States.
Leadertek Precision Inc. specializes in a diverse range of high-precision products, including valve balls, valve stems, ball screws, linear guideways, and automatic bar feeders. Their technical capabilities are extensive, encompassing centrifugal casting, sand casting, forging, and advanced machining of stainless steel and super alloys. The company's product portfolio also includes seamless stainless tubes, pump shafts, mechanical mandrels, and various molds for plastic injection and stamping.
Leveraging high-end technology and equipment imported from Germany, Japan, and the UK, the company integrates precision ballscrew technology with specialized metallurgy. While maintaining a strong core in industrial machinery and transmission elements, Leadertek Precision Inc. is actively expanding its expertise into the green energy, electronic, and medical device sectors. The company employs between 101 and 200 people and continues to be a key supplier for major international partners in the manufacturing and processing machinery industries.
Regular Valve Ball
3-Way Valve Ball
BallScrew (Nut Shape: DFI)
BallScrew (Nut Shape: FDH)
Linear Guide (GL Series)
Linear Guide (FL Series)
Linear Guide (FR Series)
Wenzhou Zhenhong Valve Ball Co., Ltd.
🇨🇳 China
2000301-500 peopleManufacturer/Trading Company
Established brand
OEM manufacturer
Product customization
Low MOQ
Shipments
191
Key customer
AALBERTS
Key market
North America
Description
Wenzhou Zhenhong Valve Ball Co., Ltd. is a premier manufacturer and trading company established in 2000, recognized as one of the top three valve ball producers in China. Based in Wenzhou, the company operates a significant manufacturing footprint across 40,000 square meters, including five specialized plants for forging and CNC manufacturing. With a workforce of over 300 employees and a daily production capacity exceeding 60,000 pieces, the company serves as a one-stop provider for high-precision valve components, integrating design, production, and global sales.
Tianjin Ots Valve Manufacturing Co., Ltd.
🇨🇳 China
2004101-200 peopleManufacturer
Established brand
OEM manufacturer
High-tech enterprise
Low MOQ
Shipments
56
Key customer
VALMATIC
Key market
Asia
Description
Tianjin Ots Valve Manufacturing Co., Ltd. is a B2B manufacturer of industrial valves, established in 2001 and located in Tianjin, China. The company specializes in the design, manufacture, and installation of a comprehensive range of valves, with a strong focus on various types of butterfly valves, including wafer, flanged, and multi-functional combination valves. Their product portfolio also extends to knife gate valves, check valves, gate valves, ball valves, globe valves, Y strainers, solenoid valves, pneumatic actuators, rubber joints, and dismantling joints. With over 20 years of experience in valve production and R&D for fluid control, Tianjin Ots Valve operates a factory spanning 13,340 square meters, including an 8,600 square meter workshop, and employs 101 to 200 people, including 15 technicians. They offer OEM and ODM services and maintain strict quality control, holding certifications such as ISO 9001, ISO 14001, OHSAS/OHSMS 18001, CE, KC, and GOST. The company has a significant international presence, exporting to over 40 countries and regions, and serves over 50 international brands, with an annual revenue ranging from US$2.5 Million to US$5 Million.
Ductile Iron Di Cast Ci Metal Gear Operated Red Trench Fire Groove Butterfly Valve$10
Lishui Ouyi Valve Co., Ltd.
🇨🇳 China
1998101-200 peopleManufacturer
Established brand
Own brand
Patented technology
High-tech enterprise
Shipments
2474
Key customer
AMPO VALVES INDIA
Key market
🇺🇸 United States
Description
Lishui Ouyi Valve Co., Ltd., established in 1998, is a professional manufacturer and contract manufacturer of industrial valves and valve components based in Lishui, China. With a capital of RMB 32,660,000 and over 160 employees, the company operates from a 26,000 square meter facility. They specialize in designing and producing a comprehensive range of industrial valves, including Ball, DBB (Double Block and Bleed), Gate, Globe, Check, and Plug Valves, with capabilities for specialized types such as metal-to-metal, soft sealing, cryogenic, and top entry ball valves. Their product portfolio also includes a wide array of valve components like valve balls (floating, metal-to-metal, trunnion), body & cap, seal glands, seat retainers, and valve stems. Lishui Ouyi Valve Co., Ltd. offers products with size ranges from 1/2" to 64" (DN15~1500MM), pressure ratings from Class 150~2500 (1.0~42.0 MPa), and working temperatures from -196℃ to 580℃, utilizing diverse materials including carbon steel, stainless steel, and duplex & super duplex stainless steel. The company boasts over 100 machining equipment units, including CNC machining centers and customized large-scale 64" ball machining and grinding integrative CNC machines. They hold certifications such as CE, ISO 9001, ISO 17025, API 6D, API 600, and API 607/6FA, and implement a total quality control system from inquiry to dispatch. With a strong focus on R&D and product patents, Lishui Ouyi Valve Co., Ltd. exports over 95% of its yearly output to international markets.
Zhejiang Shidai Casting Co., Ltd. is a specialized manufacturer of high-precision steel castings and valve components based in Ruian, Zhejiang Province, China. Established in 1986 and operating from two plant areas totaling 44,800 square meters, the company has grown into a significant industrial player in East China with an annual casting capacity of 8,000 tons and a machining capacity of 3,000 tons. The company employs between 200 and 300 personnel, including a dedicated team of senior engineers and technicians. Zhejiang Shidai Casting specializes in three primary casting processes: investment casting, sand casting, and centrifugal casting. Their extensive product portfolio includes gate valves, ball valves, butterfly valves, check valves, pump cases, marine elements, and engineering machinery parts. These products are manufactured from a wide range of materials such as stainless steel (CF8, CF8M), carbon steel (WCB, LCB), and specialized alloys like Monel and Hayne's alloy. The facility is equipped with over 300 sets of advanced machining equipment, including Japanese CNC machine tools and high-precision German Zeiss measuring instruments. Committed to international quality standards, the company holds ISO 9001, CE, AD2000, and PED certifications. Their integrated production line covers design, mold making, smelting, physical-chemical testing, and assembly. Zhejiang Shidai Casting serves diverse global industries including petroleum, chemicals, electric power, and metallurgy, with a strong export presence in the United States, Canada, Germany, and Southeast Asia.
Flange Ball Valve - Ball Valve to National Standard
Lift Check Valve - Check Valve to National Standard
Lift Check Valve - Check Valve to American Standard
Flange Gate Valve - Gate Valve to Japan Standard
Flange Stop Valve - Stop Valve to American Standard
Manufacturer Direct Sales Lightweight and Easy to Operate Straight Through Manual Ball Valve$5.5
Wholesale Thickened Large-diameter Metering butterfly Valve for Water Treatment$5.5
Zhengzhou Qiaorun Group Co., Ltd.
🇨🇳 China
2004101-200 peopleManufacturer/Trading Company
Established brand
OEM manufacturer
ODM manufacturer
Own brand
Shipments
19
Key customer
ARTEPECAS
Key market
Asia
Description
Zhengzhou Qiaorun Group Co., Ltd., operating under the brand QRun, is a professional manufacturer and trading company based in Zhengzhou, China, with over 15 years of experience in advanced material engineering. The company specializes in the production of high-performance components made from Cobalt-based alloys (Stellite), Tungsten carbide, and technical ceramics including Silicon Nitride (Si3N4), Zirconia (ZrO2), and Alumina (Al2O3). Their extensive portfolio of over 6,500 products serves critical industrial sectors such as oil and gas, mining, automotive, and railway transportation.
Cemented Carbide Cutter for Making Forming Tolls$20
Zhejiang Qiute Valve Co., Ltd.
🇨🇳 China
200551-100 peopleManufacturer/Trading Company
Established brand
Patented technology
Product customization
Eco-friendly supplier
Shipments
37
Key customer
KF VALVES
Key market
🇫🇷 France
Description
Zhejiang Qiute Valve Co., Ltd. is a professional manufacturer and trading company specializing in the R&D, design, and production of specialized ball valve components. Founded in 2005 and headquartered in Wenzhou, China, the company operates a modern 20,000-square-meter smart manufacturing facility. With a workforce of approximately 51 to 100 employees, the company has established itself as a technology leader in the valve industry, achieving a total output value of 55 million RMB in 2020.
The company offers a comprehensive range of valve balls, including soft sealing spheres, hard-sealed spheres, and non-standard balls, with production capabilities ranging from 1 to 56 inches. Their extensive product portfolio also includes valve stems, seats, and bodies compatible with national and international standards (ANSI, JIS, DIN, and BS). These components are manufactured using a wide variety of high-grade materials such as A105, stainless steel (F304, F316L), F51 duplex steel, Monel, and Inconel to meet the rigorous demands of the petroleum, natural gas, pharmaceutical, and water treatment industries.
Equipped with advanced CNC machine tools, spherical grinders, and German-imported spectrometers, Zhejiang Qiute Valve ensures high precision and quality control. The company is ISO 9001 and ISO 14001 certified and holds several patent certificates. As an export-oriented manufacturer, they serve global markets including the United States, France, and Russia, while providing OEM and contract manufacturing services to prominent domestic valve enterprises.
Float Sphere on Ball Valve
Fixed Alloy Valve Ball with Two Ways
Triple Sphere
Threedirect Links Spheroid
Float Triple Sphere
Threedirect Links Spheroid
Xingwei Valve Group Co., Ltd.
🇨🇳 China
2011201-300 peopleManufacturer/Trading Company
ODM manufacturer
Product customization
Patented technology
High-tech enterprise
Key customer
QILU PETROCHEMICAL
Key market
South America
Description
Xingwei Valve Group Co., Ltd. is a high-tech manufacturer and trading company based in Wenzhou, China, specializing in the design, development, manufacturing, testing, and sales of industrial valves. Established in 2011, the company employs over 200 people and operates a factory spanning 44,000 square meters, including a 23,000-square-meter foundry base. They possess strong technical capabilities with over 70% CNC equipment and comprehensive testing facilities. Xingwei Valve Group offers a wide range of products, including ball valves, gate valves, globe valves, butterfly valves, check valves, filters, fully welded ball valves, thermal insulation valves, fluorine lined valves, forged steel valves, power station valves, flat gate valves, knife gate valves, hydraulic control valves, metallurgical valves, and emergency shut-off valves. They are recognized for patented products such as the 'Quick opening and closing spherical sealing gate Valve' and 'Zero friction telescopic ball valve', and are noted as the first domestic manufacturer of large-diameter emergency shut-off valves for hazardous sources. The company holds numerous certifications including ISO 9001, ISO 14001, CE, TS, TUV, and API, and adheres to international standards such as GB, JB, API, BS, DIN, JIS, ANS, and SIL. Their products are widely used in industries like petrochemical, nuclear power, and defense, and are exported to markets in America, Europe, the Middle East, and Southeast Asia. Xingwei Valve Group emphasizes continuous innovation, collaborating with academicians and university professors to develop high-end products with independent intellectual property rights.
Oviko Group Co., Ltd., established in 2004 and headquartered in Wenzhou, China, is a prominent manufacturer and wholesaler specializing in high-performance industrial valves. Operating from a 44,000 sqm facility with specialized subsidiaries for forging, O-rings, and ball machining, the company has grown into a leading supplier for the global oil, gas, chemical, and power generation industries. Oviko Group employs between 101 and 200 personnel, including a dedicated team of engineers and QC/QA staff to ensure rigorous quality standards.
The company's extensive product portfolio primarily focuses on ball valves, including floating, trunnion-mounted, top entry, fully welded, metal-seated, and cryogenic types. They also manufacture gate, globe, and check valves, as well as precision valve balls and components. These products are engineered to meet international standards such as ANSI, BS, DIN, and GB, with sizes ranging from 1/2" to 48" and pressure classes up to 2500Lb. Utilizing materials from standard carbon and stainless steel to specialized alloys like Monel, Titanium, and Hastelloy, their valves are designed to operate in extreme temperatures ranging from -196°C to 680°C.
As an export-oriented enterprise with self-operated import and export rights, Oviko Group serves clients in over 30 countries, maintaining a strong presence in North American and European markets. The company holds multiple international certifications, including ISO 9001, ISO 14001, CE, API 6D, and API 607 fire-safe certification. They offer comprehensive OEM and ODM services, providing customized valve solutions and turnkey project support for complex industrial applications.
API 6D 304/316 Part Connection Plate for Ball Valve$20
Forged Floating Carton Steel Ball Valve with API6d/ANSI/ASTM$20