China Valve Manufacturer

New Valve Factory

Topper Valves

Valve Quality Assurance

Industries Served

About Our Valve Company

Topper Valve Co., Ltd, founded in 1986 and located Wenzhou, China, covers an area of 62,000 m2 and boasts two subsidiary factories, more than 500 staffs and over 200 sets of facilities.

We make valves according to ANSI, API, BS, DIN, GOST and GB standards, for a variety of applications, such as oil & gas, petroleum, oil refining, chemical industries, ships, power generation and transmission pipeline industries.

We obtained the ISO 9001, API certificate, CE certificate, TS A1 grade certification, ISO 14001 & OHS 45001 cetification.

We established Testing Company to control the quality of the valves. 
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Why Choose Us?

We can supply a full range of valve products according many standards, or based on customers' individual requirements.

our customers benefit from competitively priced valves, each one quality checked and certified to internationally recognised standards.

with quality of the upmost importance, audited by our agents and ISO 9001 accredited.

We' ll always provide you with a realistic and achievable delivery time, by giving you an accurate delivery time and tracking your order from initial confirmation through to delivery.

We have built the best valve testing company for all valve industry in China.
Carbon Steel Gas Ball Valve, 2-24 Inch, 150-2500 LB, RF
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API 6D Gas-liquid Ball Valve, 2-24 Inch, Class 150-2500, RF
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API 6D Electric Ball Valve, 2-24 Inch, Class 150-2500 LB
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DBB Trunnion Mounted Ball Valve, 2-12 Inch, Class 150-900 LB
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API 6D 3 PCS Ball Valve, 2-24 Inch, Class 150-2500 LB, RF
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API 6D Trunnion Mounted Ball Valve, 2-24 Inch, 150-2500 LB
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One of Leading Valve manufacturers to Rocket Your Business

Pressure range: Class 150 – Class 2500 LB, PN6 - PN420. 
Size range: NPS 1/2 - 100 Inches, DN10 - DN2500. 
Operation types: manual, gearbox, chain wheel, pneumatic, electric, etc. 
Connection Ends: flanged, BW, SW, NPT, wafer type, etc. 
Materials (casting): ASTM A216 WCB, ASTM A216 WCC, ASTM A352 LCB, ASTM A352 LCC, ASTM A352 LC1, ASTM A352 LC2, ASTM A352 LC3, ASTM A351 CF8, ASTM A351 CF3, ASTM A351 CF8M, ASTM A351 CF3M, ASTM A351 CF8C, ASTM A351 CN7M, CA15, ASTM A217 C5, ASTM A217 WC5, ASTM A217 WC6, ASTM A217 WC9, Monel, etc. 
Materials (forging): ASTM A105, ASTM A350 LF1, ASTM A350 LF2, ASTM A182 F304, ASTM A182 F304L, ASTM A182 F316, ASTM A182 F316L, ASTM A182 F11, ASTM A182 F22, ASTM A182 F6, ASTM A182 F51,  ASTM A182 F316H, ASTM A182 F321, ASTM A182 F347, Inconel, etc.

Who use our industrial valves?

Valve Brands
If you currently have valve production lines but would like to expand production capacity for more market share, Topper can provide you with the highest capacity and good performance of industrial valve, OEM, ODM, custom manufacturing as your own drawing.
End Users
Our Valve Products are all ready for end users in many segments, such as oil & gas, Power generation, chemicial factory, water treatments, mining and so on. Topper will help your projects run smoothly with durable quality and services.
Distributors & Wholesalers
With large capability of valve production, We can supplies high quality valves in a great quantity for our distributors, Wholesalers, and Stockists all over the world. Topper will 100% support to our global agent partners.

A glimpse of our industrial valve factory

The Dormitory Building

The R & D Center and Administrative Building

The Binhai Plant

The Machining Workshop

The Assembly Shop & Laboratory

The Janitor's Room

Who We Are?

Created in 1986, Topper Valve Co., Ltd. is a leading industrial valve manufacturer factory in China, who specialized in premium Quality industrial valves design, manufacturing, sales and services.

Products

Useful Links

Contact

valves@xinhaivalve.com

+86 577 6669 3222

Wenzhou, China

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