Sino Metal Material Co., Ltd. is a professional manufacturer of high-quality steel products. Founded in 2006, we focus on the production of high-frequency welded pipes, square steel tubes, galvanized steel pipes and other steel products. We have an annual steel production capacity of 50,000MT along with our galvanized producing line. And our company have own exporting authority. We are a large-scale producer and exporter with clients throughout China and in Southeast Asia, America and ...