Zai Lai Steel implements sound management policies and has passed the ISO9001:2008 quality system certification. The product complies with standards such as GB/T3191-1998, GB6892-2006, and GB3190-2008. It has been recognized by relevant national departments and holds relevant certificates such as the right to operate the import and export of the company's products. We have offices in Henan and Shandong, and will provide users with the highest quality products, the most reasonable prices and the most perfect services. We sincerely welcome both new and old customers to call, visit, consult and negotiate.