Changzhou Tengyue Special Materials Technology Co., Ltd, formerly named Changzhou Tengyue Stainless Steel Pipe Co., Ltd, is one of leading manufacture of seamless stainless steel tubes and pipes. In operation for 30+ years with the trust and support of 500+ partners, Tengyue's products are applied in more than 50 global markets.

Striving for the constant technological innovations, Tengyue established long-term industry-university-research relations with Changzhou University and Metal Institute, Meanwhile, we actively participate in national science and technology projects and acquired the key technologies of heat transfer tube manufacturing. By carrying out continuous systematic research, the company obtained 25 national authorized patents, including the authorized invention patent closely related to the production technology of the project product "Manufacturing Process of Special Stainless Steel Tubes for Double Tube Sheet Heat-exchangers ". 

Certification & Credit Obtained: ISO, Special Equipment (pressure piping components) Manufacturing Licenses and Pressure Vessel PED, etc; in 2019, it obtained E-Park legal person credit certification level A and product quality rating level B.

Annual Capacity:  10,000tons

Dimension:           OD.6.0 ~ 219.0mm, W.T. 1.0 ~ 22.0mm, Length up to 25 meters. 

Materials:              Austenitic Stainless Steel, Duplex Stainless Steel, and Nickel Alloy series 

Standards:            GB, ASTM / ASME, JIS, EN and DIN

Products Applied in fields of petroleum, petrochemical, chemical machinery, nuclear power, boilers, heat exchangers, ships, papermaking, textiles, chemical fiber machinery, medical equipment, environmental protection and other industries.

By constantly updating the production line, improving the production process and the management system and perfecting the detection system, Tengyue SMT wholeheartedly provides customers with high-quality stainless steel products.