We, Tianjin GuoYing Internation trading Co., Ltd is a professional manufacturer & exporter of pre galvanized steel pipe and hollow section , specialized in the field for many years.Our products have good market in Domestic & Overseas , our main market is South East Asia, South-Asia, The Middle East, North America , South America, Australia . If you are the buyer from these area , please don't hesitate to contact us , for we have many advantages in these market .but if you are not from these area, also please feel free to contact us , we would send our best offer for your reference For more details about pre galvanized, please feel free to contact us, we would send the info in time.