DIN/EN series high-precision seamless steel tubes
The first enterprise in China to produce green steel products
The first enterprise in China's steel pipe industry to receive
certification from the leaders of the General Administration
of Quality Supervision, Inspection and Quarantine
The first batch of enterprises in China to receive the
export green channel certification from the General Administration
The manufacturer with the most comprehensive certifications in
China's precision steel tube industry
The first batch of first-class export enterprises in Shanghai
Shanghai Quality Management Award
Qualified quality is a social obligation, and excellent quality is a contribution to society
