OUR PLANT · LONGWAN, WENZHOU
BAUTU Valve Manufacturing (Zhejiang) Co., Ltd.
Stainless Steel Valve Manufacturer in Wenzhou, China
We cast, machine and pressure-test ball, gate, globe and check valves in our own plant, and ship every order with a 3.1 mill test certificate.
What we make
Four Product Lines, One Plant
SAMPLE SHOWROOMBook a video call →
Inside the plant
Design, Casting, Machining and Testing in One Place
Factory video
35 Seconds Inside Our Plant
Filmed on a phone in our Wenzhou plant, not stock footage. You will see:
- Stainless steel castings poured in our foundry
- Valve bodies on our CNC lines
- Assembly and the API 598 pressure test
Meet us
Talk to the People Who Make Your Valves
TRADE SHOW
OUR BOOTH
CUSTOMER VISITStandards
What We Build and Test To
| Product | Design | Test |
|---|---|---|
| Ball valves | API 608 · ASME B16.34 | API 598 |
| Gate valves | API 600 · ASME B16.34 | API 598 |
| Globe & check valves | ASME B16.34 | API 598 |
| Flanges / face-to-face | ASME B16.5 / B16.10 | — |
| Regional | JIS · GB | per standard |
Body materials: WCB (ASTM A216), CF8 (304), CF3M (316L). Seats: PTFE, RPTFE or Stellite-faced metal. We do not hold an API Monogram license.
Where we are
One Plant, One EU Branch
Wenzhou Plant, China
EU Branch, Budapest
FAQ
Questions Buyers Ask Us
Are BAUTU valves API certified?
We build to API 608, API 600 and ASME B16.34 and pressure-test every valve per API 598. We do not hold an API Monogram license. Every order ships with a 3.1 mill test certificate.
Which body materials do you make?
WCB carbon steel (ASTM A216), CF8 (304) and CF3M (316L) stainless steel. Seats in PTFE (to +150 °C), RPTFE (to +180 °C) or metal with Stellite hardfacing.
How long does delivery take?
Stock sizes ship in 15–20 days. Anything special, we confirm the date with your quote.
Can I inspect the valves before shipment?
Yes. Come to Wenzhou, join a live video call, or send SGS, BV or another inspector. The buyer arranges and pays for third-party inspection.
How are BAUTU and Baotai Valve related?
BAUTU (Bautu Valve Manufacturing (Zhejiang) Co., Ltd.) is a branch company of Baotai Valve Technology (Zhejiang) Co., Ltd. (BTQV), with its own export licence, and runs all of Baotai's export business. Our valves are made in the Baotai plant in Longwan, Wenzhou. You will see the Baotai name on the plant building and at our trade-show booth.
Do you have an office in Europe?
Yes. Our EU branch is at Szállás utca 13, 1107 Budapest, Hungary, phone +36 30 713 3633.
Send Us Your Enquiry
Valve type, size, pressure class, material, media and quantity. An engineer replies within 24 hours.