Changzhou Heyuan Steel Tube Co., Ltd is a specialized manufacturer of seamless steel pipes&tubes. Located in Jiaoxi Town, Changzhou City, Jiangsu Province, our factory covers an area of 100000 square meters. Among which, 18000 square meters is the building of workshop.

Produciont and inspection equipment:
We have 3 sets of piercing units(40mm, 50mm, 90mm respectively), 16 sets of cold-drawn units, 3 sets of straightening units, 3 cutting machines as well as pickling and annealing equipment, to ensure prodution and output, and a special lab with C-S analyzer, Rockwell hardness tester, Eddy-current detection system, material testing device to ensure quality of products.

Prodution capacity:
With annual output of 30000 MT, we can manufacture and supply pipes&tubes with wide range of sizes(OD: 8mm-130mm, Thickness: 0.8mm-20mm), and the grades are available with great variety of carbon steel like 10#, 20#, 35#, 45#, etc and alloy steel like 20Cr, 40Cr, 16Mn, 30CrMo, 42CrMo, 37Mn5, etc. We can produce in accordance with different standards like GB, ASTM, DIN, EN, JIS, etc.

Certificates:
We have already obtained ISO9001-2000 Certificate, approval Certificate for production of pipes and tubes for use of boilers and pressure vessels, and accreditation certificate of NDT(non-destructive testing) system. Our products are widely used in automobile industry, petroleum industry, chemistry, boilers, architecture, heat exchangers, etc