Stainless steel valve manufacturer ● Wenzhou, China
Stainless Steel Valves
Engineered for Mission-Critical Service
Serving oil & gas, chemical, water utility and energy industries
worldwide.
Direct from our 50,000m² integrated plant — in-house casting, no
subcontracting, 3-stage QC on every valve.
30+
Years Foundry Experience
50.000㎡
Integrated Plant
3.000+
Units Per Day
300+
Engineers & Technicians
— 01 ● Products
Three Product Lines. One Integrated Factory.
From soft-seal ball valves to high-temperature gate valves, from actuated assemblies to custom OEM projects — all manufactured in our Wenzhou plant.
Full Linear Motion Valve Range
API 600 ● DIN ● GB dual-standard
— 02 ● WHY bAUTU
Three Advantages Your Current Supplier Cant't Match
Not the cheapest. The most dependable.
Stainless Steel Specialist
30 years focused on one material. The depth of craft that generalist factories simply can’t replicate.
In-House Foundry
Casting → Machining → QC — all under one roof. No outsourced links, no waiting on suppliers.
China + EU Dual Presence
Manufactured in Wenzhou. European branch in Budapest — EU timezone, local support, one call away.
— 03 ● Our process
Design • Cast • Machine • Test
From the first engineering drawing to the final pressure test – Every step happens inside our 50,000m² plant. No exceptions, no subcontracting.
STEP 01 ● DESIGN
Engineering Design
SolidWorks 3D modeling · OEM custom design accepted
STEP 02 ● CASTING
In-House Foundry
8,000m² owned foundry · 100% in-house, no outsourcing
STEP 03 ● MACHINING
CNC Precision Machining
15,000m² workshop · ISO 2768 standard tolerance
STEP 04 ● QC
3-Stage Quality Control
Casting check → Machining check → 100% hydrostatic test
— 04 ● global reach
Made in China • Supported in Europe • Shipped Worldwide
Our valves serve projects across the Middle East, Southeast Asia, and Europe. Our Budapest EU branch provides local support for European buyers.
🇨🇳 CHINA HQ · MANUFACTURING BASE
Wenzhou Longwan Plant
Address: Longwan District, Wenzhou, Zhejiang
Phone: +86 136 0066 3233
Email: sales@bautu.com
Facility: 50,000m² · 7 Production Zones
🇭🇺 EU BRANCH · BUDAPEST
Hungary EU Branch
Address: Szállás Utca 13, Budapest 1107, Hungary
Phone: +36 30 713 3633
Email: sales@bautu.com
Advantage: EU Timezone · Local Service
start a conversation
Have a Project? Talk to Our Engineers.
Standard product inquiries, OEM custom design, or a factory visit
— a BAUTU engineer responds within 24 hours.
Bautu Valve Manufacturing (Zhejiang) Co.,Ltd.
Web: www.bautu.com
WX/Mobile: 13600663233
Address: China,Xinghai Subdistrict, Longwan District, Wenzhou City, Zhejiang Province
Email: sales@bautu.com
