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Premium Stainless Steel Solutions for Industry

Wenzhou Bolai Stainless Steel Co., Ltd. manufactures high-quality sanitary pipes, industrial pipes, fittings, flanges, and valves with competitive pricing and reliable global service.

Stainless Steel Factory

About Bolai Steel

With years of expertise in stainless steel manufacturing, Wenzhou Bolai Stainless Steel Co., Ltd. delivers durable, high-performance piping solutions trusted by industries worldwide.

Production Workshop

Advanced Manufacturing & Global Reach

Located in Lishui, Zhejiang, China, our modern production facility in the Songyang Industrial Zone ensures precision engineering and strict quality control across all product lines.

Our exporting office in Wenzhou manages international logistics and customer support, enabling seamless delivery to clients across North America, Europe, Southeast Asia, and beyond.

  • ISO-Compliant Quality Standards
  • Over 15 Years of Industry Experience
  • Dedicated Export Division
  • Custom Solutions Available

Our Product Range

High-performance stainless steel products engineered for durability, hygiene, and industrial reliability.

Sanitary Stainless Steel Pipe

Sanitary Stainless Steel Pipe

Ideal for food, beverage, and pharmaceutical industries requiring high hygiene standards.

  • Material: SS304, SS316L
  • Surface: Mirror polished (Ra ≤ 0.8μm)
  • Standards: ISO, DIN, 3A, SMS
  • Diameter: 1/2" to 24"
Industrial Stainless Steel Pipe

Industrial Stainless Steel Pipe

Robust pipes for chemical, petrochemical, and mechanical engineering applications.

  • Material: SS304, SS316, SS321
  • Surface: Pickled or BA finish
  • Standards: ASTM, GB, JIS
  • Wall Thickness: SCH5S to SCH80S
Stainless Steel Pipe Fittings

Pipe Fittings

Elbows, tees, reducers, and caps for seamless pipeline integration.

  • Types: Welded, Threaded, Clamp
  • Material: SS304 / SS316L
  • Sizes: 1/4" to 24"
  • Standards: ANSI, DIN, ISO
Stainless Steel Flanges

Flanges

High-pressure sealing components for secure pipeline connections.

  • Types: Weld Neck, Slip-On, Blind
  • Pressure: 150# to 2500#
  • Material: SS304, SS316
  • Standards: ANSI, JIS, DIN
Stainless Steel Valves

Valves

Ball, check, and butterfly valves for precise flow control.

  • Type: Manual / Actuated
  • Size: 1/2" to 20"
  • Pressure Rating: PN10 to PN100
  • Seal: PTFE, EPDM
Welded Stainless Steel Tubes

Welded Stainless Tubes

Precision-engineered tubes for structural and mechanical applications.

  • Material: SS304, SS316
  • Shape: Round, Square, Rectangular
  • Thickness: 0.5mm to 5.0mm
  • Finish: 2B, BA, No.4
Hygienic Fittings

Hygienic Fittings

Clamp-style fittings meeting 3A and FDA standards for sterile environments.

  • Standards: 3A, FDA, EHEDG
  • Connection: Tri-Clamp, DIN
  • Size: 1/2" to 6"
  • Finish: Electropolished
Stainless Steel Reducers

Reducers & Adapters

Concentric and eccentric reducers for diameter transitions in piping systems.

  • Type: Concentric, Eccentric
  • Material: SS304 / SS316L
  • Connection: Butt-weld, Socket weld
  • Standards: ASME B16.9

Why Choose Bolai Steel?

High Quality

All products undergo strict quality control and meet international standards.

Competitive Price

Direct factory pricing ensures cost-effective solutions without compromising quality.

Reliable Service

Dedicated support team available via phone, email, and WhatsApp.

Global Export

Efficient logistics network for fast and secure international delivery.

15+
Years in Industry
50+
Countries Served
10K+
Tons Annual Output
99.8%
Customer Satisfaction

Frequently Asked Questions

What materials do you offer?

We manufacture products using SS304, SS304L, SS316, SS316L, SS321, and other stainless steel grades based on customer requirements.

Do you provide custom manufacturing?

Yes, we offer OEM and ODM services. Our engineering team can produce custom sizes, finishes, and configurations based on your drawings or samples.

What are your main export markets?

Our products are exported to North America, Europe, Southeast Asia, the Middle East, and Africa.

What certifications do you have?

Our products comply with ISO, ASTM, DIN, JIS, GB, 3A, and other international standards. We can provide material test certificates (MTC) upon request.

What is your production lead time?

Typical lead time is 15-30 days after order confirmation, depending on product type and quantity. Urgent orders can be expedited.

Get in Touch

For inquiries, quotes, or technical support, contact our team directly.

+86-577-85889628
WhatsApp: +86-15968702958
Factory: No.278 Yongning Rd., Songyang Industrial Zone, Lishui, Zhejiang, China
Export Office: No.103 Kangning West Rd., Longwan District, Wenzhou, Zhejiang, China

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