square steel pipe good quality zinc coat seamless square tube galvanized factory price
2.How does your factory do quality control? The factory ISO 9001, 14001,CE,API, etc. 3.What is the material of products? The materials are carbon steel 10#/20#/45#/Q235B/Q345B/A333-6/ASTM A53(A,B)/ASTM A106B/ASTM 1045/St 35.8/St37/ other ALLOY 4. Where is your factory locate? How can I visit there? Our factory is located in Liaocheng, Shandong, China. People can arrive here by Train,Bus, or car. Welcome to the factory! Contact us if you need more details on Galvanized Steel Square Tube. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Galvanized Square Tube、Square Hollow Steel Tube. If these products fail to match your need, please contact us and we would like to provide relevant information.
Product Categories : Square Seamless Tube