Tiub Persegi Keluli Tahan Karat lancar

square tube factory - manufacture square tube . 

304 square tube - 316l square tube - 304l square tube 

304 seamless square tube - 316l seamless square tube - seamless 304l square tube 

aisi 304 square tube - aisi 316l square tube - aisi 304l square tube  - 2205 square tube -

2205 seamless square tube - s31803 square tube - s31803 duplex steel square tube 

square tube S31803 duplex tube - square tube 304 seamless tube - duplex steel square tube . 

square tube duplex steel S31803 ,  square tube S31803 - 

Chongqing World Steel Co., Ltd. The company has always been people-oriented, quality first, service first, the pursuit of excellence has always been the purpose and goal of the company. We will sincerely dedicate high-quality and efficient services, be courageous and unswerving! We cherish and look forward to every opportunity to serve you wholeheartedly! It is our unremitting efforts to build a win-win bridge between enterprises and customers, and hold up a blue sky for the rapid development of enterprises!

Each product must be strictly inspected before delivery and then packed.

- Surface inspection 

- Outside diameter inspection

- Wall thickness inspection

- Material inspection

- Mechanical property inspection

- Chemical property inspection

Our Mill Test Certificate is supplied with shipment. 

If needed, a Third Party Inspection is acceptable.

Inspection break down:

Quantity, size and visual aspects of the products inspection: Making sure your product's surface, size and quality is aligned with the requirements ( good marking, proper packing), Mechanical and chemical testing.

Document completion: Testing report certificates and other documents which need to get completed before the products are sent from port.

 If you have any interest, Please kindly feel free to contact me. THANKS !!!

www.worldsteelasia.com