china customization seamless tubeASTM A179 Seamless Cold Drawn Carbon Steel Pipes for building materials












Q1. How can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
Q2. Why should you buy from us not from other suppliers?
RUIGANG is a diversified private enterprise with business covering stainless steel, carbon structure steel, alloy steel, copper cathode. And established a number of joint-venture steel production lines with some well-known steel companies.
Q3. How can I get the price of needed product?
It's the best way if you can send us the material, size and surface, so we can produce for you and check the quality.If you still have any confusion, just contact us, we would like to be helpful.
Q4. Can I get some samples?
We are glad to provide free samples to you, but we do not offer the freight.
