Changzhou Tengyue Special Material Technology Co., Ltd ( called in short of Tengyue SMT )

Tengyue SMT is one of leading manufacture and supplier of seamless stainless steel tubes and pipes, duplex steel tubes and pipes and nickel-based alloy steel tubes and pipes for 30+ years. With the trust and support of 500+ partners, our products are applied in more than 50 global markets.

Striving for the high-quality products and constant technological innovation, Tengyue SMT 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.

Manufacturing Annual Capacity: 10000tons

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

Materials: 304 & 316 series, duplex steel, and nickel Base alloy 6 and 8 series

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

Products Applied in key field 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 Special Material wholeheartedly provides customers with high-quality and highly reliable stainless steel products.