Production lines:
Construction tube production line (A554) - 40 lines
Heat exchanger tube production line (A249/A269) - 20 lines
Sanitary tube production line (A270)(DIN 11850) - 10 lines for inside polishing. 
Production Range:
Size:12.7-323.9mm In 0.D. And 0.50-9.52mm In Wall Thickness.
Certificate:
ISO 9001:2015 GB/T 19001-2016 Management System, PED certificate 
ASME Boiler and Pressure certificate, EN10312-CE Certificate , AD2000 W0/W2