Precision seamless stainless steel tubes

THE LEADER OF PRECISION
SEAMLESS TUBING IN WENZHOU
SINCE 2000

Dedicating in Annealed Precision Seamless Tubing / Bright Annealed Seamless Tubing on A270/A269/A213/3A/ISO / Polishing / Straightening / straightness / ovality

Wenzhou Oulifa / Danduoduo
Meet Us at Tube China 2026
21–24 September 2026 · Shanghai New International Expo Centre
BOOTH W2H09
ABOUT US

Wenzhou Danduoduo Fluid Equipment Co., Ltd

Established in 2000 in Wenzhou City to fulfill the gaps between the Western and Eastern cultures. We started goal business from 2015 due to high demands of our customers who entrust us as the agency for purchasing. With its growing manufacturing capacity and annual sales, we have become a well-known manufacturer in stainless steel industry in Wenzhou, Zhejiang Province
– Stock 500 tons of raw materials all year round (tubing raw material + forged flange)
– Turnover 7 million USD
– Up to 5K square meters of workshop
– Up to 200 Tons outputs each month for precision tubing
– Up to 8000 Tons outputs each year for pipes &flanges
– 200% inspection for each shipment (one of 100% comes from own QC department, other comes from 3rd Party inspection)
– ISO9001:2015/CE/3A certified

RAW MATRIALS

Our raw material is from famous domestic melting mills, like TSINGSHAN HOLDING GROUP CO.,LTD /YONGXING MATERIALS

OUR PRODUCT

Seamless Precision Tubes, Sanitary Ball Valves, Sanitary Butterfly Valves, Sanitary Fittings.

PRODUCT APPLICATION

For Condenser, Filtration System,Food, Pharmaceutical, Semi-Conductor,Biological,Beverage, Cosmetic Industries.

ABOUT US

Wenzhou Danduoduo Fluid Equipment Co., Ltd

Established in 2000 in Wenzhou City to fulfill the gaps between the Western and Eastern cultures. We started goal business from 2015 due to high demands of our customers who entrust us as the agency for purchasing. With its growing manufacturing capacity and annual sales, we have become a well-known manufacturer in stainless steel industry in Wenzhou, Zhejiang Province
– Stock 500 tons of raw materials all year round (tubing raw material + forged flange)
– Turnover 7 million USD
– Up to 5K square meters of workshop
– Up to 200 Tons outputs each month for precision tubing
– Up to 8000 Tons outputs each year for pipes &flanges
– 200% inspection for each shipment (one of 100% comes from own QC department, other comes from 3rd Party inspection)
– ISO9001:2015/CE/3A certified

RAW MATRIALS

Our raw material is from famous domestic melting mills, like TSINGSHAN HOLDING GROUP CO.,LTD /YONGXING MATERIALS

OUR PRODUCT

Seamless Precision Tubes, Sanitary Ball Valves, Sanitary Butterfly Valves, Sanitary Fittings.

PRODUCT APPLICATION

For Condenser, Filtration System,Food, Pharmaceutical, Semi-Conductor,Biological,Beverage, Cosmetic Industries.

0 Metric Tons
Annual Production Capacity
0 Countries
Already Export to
0 Years
Experiences in Stainless Steel
0 Engineers
Quality Control
0 M
The maximum Length
0 Metric Tons
Annual Production Capacity
0 Countries
Already Export to
0 Years
Experiences in Stainless Steel
0 Engineers
Quality Control
0 M
The maximum Length
PRODUCTION WORKSHOP
PRODUCTION WORKSHOP
WHY BUYERS CHOOSE MORDERS
  • Fast technical review for standard and project-specific tube requirements

  • Support for trial orders, sample evaluation and long-term supply programmes

  • OEM and drawing-based solutions, subject to specification review

  • Export-ready, fumigation-free packaging options when required

  • Quality control, traceability and agreed inspection documentation

  • Quality concerns handled against the confirmed order requirements

  • Enquiries acknowledged promptly; technical quotations normally prepared within one business day after specification review

WHY BUYERS CHOOSE MORDERS
  • Fast technical review for standard and project-specific tube requirements

  • Support for trial orders, sample evaluation and long-term supply programmes

  • OEM and drawing-based solutions, subject to specification review

  • Export-ready, fumigation-free packaging options when required

  • Quality control, traceability and agreed inspection documentation

  • Quality concerns handled against the confirmed order requirements

  • Enquiries acknowledged promptly; technical quotations normally prepared within one business day after specification review