Zhejiang Aolong Valve Manufacturing Co., Ltd.
Zhejiang Aolong Valve Manufacturing Co., Ltd.
🇨🇳 China, Zhejiang
1985101-200 peopleManufacturer/Trading CompanyZhejiang Aolong Valve Manufacturing Co., Ltd., established in 1985, is a prominent technology-driven manufacturer and trading company headquartered in Wenzhou, China, known as the "China Valve City." Operating from an 8,200-square-meter facility with over 120 employees, including a dedicated team of senior engineers, the company specializes in the design, production, and global distribution of industrial valves. Their extensive product portfolio includes ball valves, gate valves, butterfly valves, globe valves, check valves, and specialized items such as knife gate valves and pneumatic control valves. These products are manufactured to international standards, including ANSI/API, DIN, BS, JIS, and GB, with nominal diameters ranging from 10mm to 3200mm and pressure ratings up to 2500Lb. Zhejiang Aolong Valve Manufacturing Co., Ltd. is equipped with advanced manufacturing technology and precision testing systems to ensure a 100% factory qualified rate. They offer significant customization capabilities, working with materials such as carbon steel, stainless steel, Monel alloy, and duplex steel to meet specific industrial requirements for extreme temperatures (-196°C to 815°C). Holding ISO 9001 and CE certifications, as well as a national special equipment manufacturing license (TS/AZ), the company serves diverse sectors including oil and gas, petrochemicals, power generation, and water treatment. With over 30 years of experience, they maintain a strong international presence, exporting a significant portion of their output to markets in North America, Europe, the Middle East, and Southeast Asia.
OEM manufacturerOffers OEM services for customized brand manufacturing.
ODM manufacturerProvides ODM design and manufacturing solutions.
Own brandOwns and operates its own brands and manufacturing facilities.
Product customizationOffers full customization for design and features.
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WCB diaphragm valve G41F46-16C Carbon steel/cast iron/stainless steel
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WCB diaphragm valve G41F46-16C Carbon steel/cast iron/stainless steel, Find Details and Price about WCB diaphragm valve from WCB diaphragm valve G41F46-16C Carbon steel/cast iron/stainless steel - Zhejiang Aolong Valve Manufacturing Co., Ltd$300
Single seat bar float ball trap valve Flange 304 316 wcb
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Single seat bar float ball trap valve Flange 304 316 wcb, Find Details and Price about Flanqe FT43-16C from Single seat bar float ball trap valve Flange 304 316 wcb - Zhejiang Aolong Valve Manufacturing Co., Ltd$300
S type globe valve thread J11w-16P
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S type globe valve thread J11w-16P, Find Details and Price about Internal Threaded J11H-16P from S type globe valve thread J11w-16P - Zhejiang Aolong Valve Manufacturing Co., Ltd$30
Stainless Steel Swing Check Valve 304 H44W-150LBP Carbon steel ANSI
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Stainless Steel Swing Check Valve 304 H44W-150LBP Carbon steel ANSI, Find Details and Price about Stainless Steel Valve Swing Check Valve from Stainless Steel Swing Check Valve 304 H44W-150LBP Carbon steel ANSI - Zhejiang Aolong Valve Manufacturing Co., Ltd$100
WCB gate valve DN500 PN25 Carbon steel/cast iron/stainless steel
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WCB gate valve DN500 PN25 Carbon steel/cast iron/stainless steel, Find Details and Price about Z41H-25C Gate Valve from WCB gate valve DN500 PN25 Carbon steel/cast iron/stainless steel - Zhejiang Aolong Valve Manufacturing Co., Ltd$500
power station valve J961Y-170V globe valve high pressure electric/pneumatic
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power station valve J961Y-170V globe valve high pressure electric/pneumatic, Find Details and Price about Globe Valve A105 from power station valve J961Y-170V globe valve high pressure electric/pneumatic - Zhejiang Aolong Valve Manufacturing Co., Ltd$300
pneumatic rubber lined, lined fluorine diaphragm valve EG6B41J/F46 Carbon steel/cast iron/stainless steel
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pneumatic rubber lined, lined fluorine diaphragm valve EG6B41J/F46 Carbon steel/cast iron/stainless steel, Find Details and Price about rubber lined diaphragm valve from pneumatic rubber lined, lined fluorine diaphragm valve EG6B41J/F46 Carbon steel/cast iron/stainless steel - Zhejiang Aolong Valve Manufacturing Co., Ltd$300
Triple Eccentric butterfly valve lengthening bar
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Triple Eccentric butterfly valve lengthening bar, Find Details and Price about Butterfly Valve lengthening bar from Triple Eccentric butterfly valve lengthening bar - Zhejiang Aolong Valve Manufacturing Co., Ltd$300
wafer butterfly valve D71X- 16Q Lining valve spool 304 stainless steel
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wafer butterfly valve D71X- 16Q Lining valve spool 304 stainless steel, Find Details and Price about Wafer Valve cast iron from wafer butterfly valve D71X- 16Q Lining valve spool 304 stainless steel - Zhejiang Aolong Valve Manufacturing Co., Ltd$50
304 wafer butterfly valve D71X-16P
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304 wafer butterfly valve D71X-16P, Find Details and Price about Wafer Valve Butterfly Valve from 304 wafer butterfly valve D71X-16P - Zhejiang Aolong Valve Manufacturing Co., Ltd$50
T-type filter /strainer GL41H-16C small size Carbon steel/cast iron/stainless steel
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T-type filter /strainer GL41H-16C small size Carbon steel/cast iron/stainless steel, Find Details and Price about WCB Stainless steel from T-type filter /strainer GL41H-16C small size Carbon steel/cast iron/stainless steel - Zhejiang Aolong Valve Manufacturing Co., Ltd$150
body WCB fluorine-lined baiting valve J45F46-16P emptying valve Carbon steel/cast iron/stainless steel
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body WCB fluorine-lined baiting valve J45F46-16P emptying valve Carbon steel/cast iron/stainless steel, Find Details and Price about fluorine-lined J41F46 from body WCB fluorine-lined baiting valve J45F46-16P emptying valve Carbon steel/cast iron/stainless steel - Zhejiang Aolong Valve Manufacturing Co., Ltd$200Customers
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ISO 90016
CE2
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Yuhuan Aolong Valves Co., Ltd.
🇨🇳 China
1992201-300 peopleManufacturer/Trading CompanyEstablished brand
OEM manufacturer
Product customization
High-tech enterprise
Shipments
1
Key customer
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Key market
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Description
Yuhuan Aolong Valves Co., Ltd. is a manufacturer and trading company based in Yuhuan, China, specializing in plumbing products since its establishment in 1992. The company operates a factory spanning 8,000 to 10,000 square meters and employs over 200 to 300 people, including senior technical staff. As a joint venture with an Australian company, Yuhuan Aolong Valves specializes in the production of brass and bronze valves, pipe fittings, and sanitary fittings. Their extensive product range includes ball valves, check valves, gate valves, PEX fittings (CUPC and NSF certified), DZR fittings, push-fit fittings, compression fittings, faucets, taps, mixers, hose bibbs, and radiator valves. They are particularly noted for being the sole provider of DZR materials for pipe fittings in China. The company offers OEM and contract manufacturing services, leveraging mature technologies in foundry, forging, machining, testing, and heat treatment. They utilize advanced equipment such as CNC machines for precision manufacturing and maintain an independent laboratory for material analysis to ensure product quality. Yuhuan Aolong Valves holds multiple certifications including ISO 9001, QAS, Standardsmark Licence, Watermark Licence, CUPC, and NSF, demonstrating their commitment to international quality standards. Their products are exported to markets in Europe, America, Africa, Oceania, the Middle East, and Eastern Asia.
CNC Lathe (CJK-0632)
Brass Ball Tap (SL-L4054)
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Brass Ball Valve Mxf DN20 DN25
Brass Hydrant Ball Valve 3/8, 1/2-Inch
Brass Globe Valve Brass Stop Valve
Brass Nickel Plated Tee Ball Valve
Brass Globe Valve Brass Stop Valve England
Brass PPR Nickel Plated Ball Valve 15mm
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Zhejiang LongGong Valve Technology Co., Ltd.
🇨🇳 China
2014201-300 peopleManufacturer/Trading CompanyOEM manufacturer
Low MOQ
High-tech enterprise
ODM manufacturer
Key market
South America
Description
Zhejiang LongGong Valve Technology Co., Ltd. is an integrated manufacturer and trading company established in 2005 and based in Wenzhou, China. Operating a modern 10,000 square meter factory with a workforce of over 200 employees, the company specializes in the design, development, casting, and production of high-quality industrial valves. Their extensive product portfolio includes ball valves, gate valves, globe valves, check valves, Y strainers, and valve castings, as well as stainless steel flanges, fittings, and needle valves. These products are manufactured in various materials such as stainless steel (CF8, CF8M, 304L, 316L) and carbon steel (WCB, LCB, A105) to meet diverse industrial requirements.
The company serves a wide range of sectors, including petroleum, chemical, natural gas, pharmaceutical, and water supply. Their technical capabilities are supported by a dedicated R&D team, a CAD valve design center, and a 3D solid simulation manufacturing test system. Zhejiang LongGong Valve Technology Co., Ltd. adheres to rigorous international standards such as ANSI, API, JIS, BS, DIN, and GB. They hold ISO 9001 quality management certification and a TS Special Equipment Manufacturing License. With self-operated import and export rights, the company provides OEM and ODM services to global markets, ensuring competitive pricing and strict quality control through advanced performance inspection and testing centers.
1000psi/2000psi/3000psi 1PC/2PC/3PC Stainless Steel 304/Stainless Steel 316/Carbon Steel Wcb Full Port/Redecer Port Ball Valve NPT BSPP
Ggg40 Pneumatic/Electric/Gear/Handwheel Operated Wafer Lug Type Cast Steel Stainless Steel Cast Iron Butterfly Valves EPDM NBR Metal Seat Pn10-16 Class 150$200
Steam Flange Gate Valve with High Pressure Class 150lb 300lb 600lb 800lb 900lb 1500lb 2500lb A105/F304/F316/F51/F11/F22/F91/F321 Sw NPT Bw$35
3PC Investment Casting Stainless Steel 1000wog/2000wog/3000wog 1PC/2PC/3PC NPT/Bw/Sw/Bsp Ball Valve SS304/SS316 Valvulas Bola/Valvulas Esfera ISO5211 Pad$2
602 A105/F11/F22/F304/F316/F51/F53 Socket Weld/Threaded Class 800-2500 Forged Steel Gate Valve /Globe Valve/Piston Siwng Lift Check Valve Bw/Sw/NPT$35
Cl800-Cl2500 Forged Steel Socket Weld/Butt Weld/Threaded Non Return Piston Check Valve A105/F304/F316/ F11/F22/F51/F91 NPT/Bw/Sw$4
6D/B16.34/600 Cast Steel/Stainless Steel, Wcb/CF8/CF8m Flanged&Butt Flexible Wedge Bb OS&Y Gate Valve 150lb/300lb/600lb/900lb Nace Mr 0175$35
Good Price BS/ JIS/ASME/600/DIN 150lb/10K/ Pn16 Pn25 Hand Wheel/Electric/Pneumatic American Standard Cast Steel Bb OS&Y Wcb/304/316 Globe Valve Nace$35
6D/B16.34/600 Forged Steel 3PC Split Body Trunnion Fixed Dbb Double Block and Bleed Ball Valve Class150/Class300/Class600 Fire Safe 607 Nace Mr 0175$2
1000psi/Pn64 L/T Type 3 Way Stainless Steel Threaded Ball Valve with ISO5211 Pad Locking SS304/SS316 Bsp NPT$2
GB/JIS/DIN 2PC Pn16/25 Flanged Ball Valve Ta2 Wcb SS304 SS316 Ball Valve Floating&Trunnion Ball Valve Pneumatic/Electric Ball Valve with ISO 5211 Direct Pad$20
200wog Pn16 Thread Stainless Steel Gate Valve Wcb/Ss201/SS304/SS316 NPT/Bsp/BSPT$35
