Tangshan Tianyi Industry Co., Ltd. is an enterprise mainly producing the high-precision pipe by taking the cold-rolled sheet and galvanized sheet as the raw materials. The annual production of boutique pipe is 300,000t. Part of products is exported overseas countries and many other countries. The Company covers an area of 60,000㎡, and has plant area of 43000㎡ and office area of 8000㎡.