About Us
our mission
who we are
We Are Architecture Company 10 Years Of Experience
We specialize in producing austenitic stainless steel, super austenitic stainless steel, duplex steel, super duplex steel, corrosion-resistant alloys, nickel-based alloys and other products. Our operations encompass the production and sales of seamless steel pipes, welded pipes, and pipe fittings, alongside the research and development of high-tech products.
Our facility spans 180 acres with a total construction area of 120,000 square meters. With a registered capital of CNY 106.8 million, it features intelligent workshops and holds total assets valued at CNY 400 million.
Experienced Stainless Tubing Supplier
why choose us
Our products have obtained various domestic and international certifications,are suitable for a wide range of applications,and are permitted for export overseas.
Certification approved
Certified to ISO 9001:2015, Pressure Vessel TS and PED standards, American Petroleum Institute (API) specifications and various classification society certifications (ABS, BV, CCS, DNV, GOST, KR, LR, etc.).
Widely applicable
Our products are widely used in the petroleum, chemical, nuclear, military, power, marine, aerospace, boiler, heat exchanger, metallurgical, mechanical, electronic, pharmaceutical and food industries.
exported overseas
In recent years, our products have gained recognition both domestically and internationally, with exports reaching Europe, the United States, South America, the Middle East, Southeast Asia and other regions.
how we help
Our Capabilities
Experienced Stainless Tubing Supplier
Phase I fixed asset investment: 80 million CNY.
Phase II fixed asset investment for piercing equipment: 30 million CNY.
Phase III fixed asset investment for welded pipe production: 40 million CNY.
Phase IV investment in high-speed rolling mill equipment for intelligent workshops: 80 million CNY.
Total assets: 400 million CNY.
The company operates 20 seamless production lines, 20 high-speed rolling mill production lines, 3 piercing production lines and 5 welded pipe production lines, with an annual output capacity of 35,000 tons of austenitic and austenitic-ferritic duplex stainless steel pipes.

No matter what your project needs are, we can provide fast and reliable custom solutions!
About Our History
The 2016 Concentrated Commissioning Ceremony for the Tenglong Bird Replacement Project in Suichang County,Lishui City,Zhejiang Province was held at our company!
In 2017,we were recognized as a Zhejiang Provincial Science and Technology SME,accumulating 21 authorized utility model patents,19 utility model patent applications,and 2 invention patent applications.We passed Zhejiang Province’s Clean Production Audit and achieved Level 3 Safety Production Standardization certification.
In 2018,we were approved as the Lishui Municipal Enterprise R&D Technology Center (Special Material Pipe Research Institute),passed provincial-level appraisal for 5 new products,and received the Government Quality Award.
In 2019,it was listed as a National High-Tech Enterprise and passed provincial-level appraisal for 3 new products.
In 2020,it was approved as a Provincial-Level Enterprise R&D Center.
In 2021,it became a municipal/county-level demonstration unit for digital and intelligent factory construction,passed the Integration of Informatization and Industrialization Management System certification,and was approved as a Zhejiang Specialized,Refined,Distinctive,and Innovative SME.
In 2022,it was honored as a National Specialized,Refined,Distinctive,and Innovative “Little Giant” Enterprise in the fourth batch.
In 2023,it obtained the right to use the “Gangyan Nake Certification” mark.

Take our factory tour
Exceptional engineering begins with mastery over materials.As a global leader in specialty alloy tubing manufacturing,we invite you to explore our state-of-the-art production facility and gain an in-depth understanding of our entire process—from raw material melting to precision finishing.
Here,you will witness firsthand how we handle high-performance materials such as Hastelloy, Inconel,Monel,and Super Duplex stainless steel.Through industry-leading cold drawing/rolling processes,precise solution annealing heat treatment,and 100% ultrasonic and eddy current testing covering the entire pipe body,we ensure every tube performs reliably in extreme environments—including high temperatures,high pressures,and severe corrosion.
Factory Highlights
Full Material Coverage:
Specializing in the production of nickel-based alloys,super duplex steel and stainless steel tubing.
Stringent Inspection:
Conducting PMI spectral analysis,hydrostatic testing and non-destructive testing.
Certified Standards:
Production processes fully comply with ASTM,ASME,EN and international ISO quality systems.
Customization Capabilities:
Supporting special specification customization to meet ultra-precise tolerance requirements.
Our Product Certificates
Different countries and regions have varying requirements for stainless steel tubing.
Our products possess all the required certifications.
You can click the text on the right to view the corresponding certificate.









