About CTS
CTS (Changzhou Tremen Steel Tubes Co., Ltd.) was established in 2010. It has become one of the leading manufacturers and exporters in the field of tubes and pipes products in China.
Its leading products include Heat Exchanger Tubes, Boiler Tubes, Alloy Tubes, Automobile Precision Tubes, Stainless Tubes and Copper Alloy Tubes, etc.
This years it has expanded some new products on tubes, such as Bearing Steel Tubes, Titanium and Titanium Alloy Tubes, Finned Tubes and U bend Tubes etc. It has efficient management system, advanced technology, all necessary inspecting devices, stable quality and well-established distribution networks. Its products sell in Asia, Europe, USA, and South America.
CTS people believe that quality is most important and service is based on promise. That helps CTS to gain the trust of more and more customers and establish long term cooperation with them….Read More»
WHY US
- One-step solution for all kinds of steel tubes and pipes. Save your precious time.
- More than 12 years of export experience in steel tubes and pipes industry.
- Very familiar with different countries’ standards, Chinese market and price.
- Provide best services.
- Established long-term cooperation relationship with Chinese best factories who provide best products.

Seamless Cold Drawn Process is widely used in the production of heat exchanger tubes, condenser tubes, boiler tubes, machine tubes, OCTG tubes, and structure tubes…
Main standard: ASTM / ASME A/SA179; ASTM / ASME A/SA192;ASTM / ASME A/SA210; ASTM / ASME A/SA213; ASTM / ASME A/SA106; ASTM A519; DIN 17175; DIN 2391, JIS G3445 STKM 11A.
The OD. range from 3mm to 114mm, thickness from 0.5mm to 15mm.
Length max 28m.