Tinajin Fenggangxin (Group) Metal Material Sales Co., Ltd. is a new modern petroleum equipment manufacturing company as an enterprise integrated with R&D, manufacturing and trade, established by Dezhou Changcheng Petroleum Machinery Co., Ltd. (founded in 2007) after more than decades of development and growth. Our company is specialized in R&D, production and sales of petroleum dedicated use pipes and equipment, with major products as API 5CT oil tubing and oil casing, API 5L pipeline, welding pipe, drilling pipe, coupling and relevant petroleum drilling equipment.

Covering 10,000 square meters, Fenggangxin Group has oil casing and tubing production lines with 200,000 tons capacity, OCTG coupling production line with 2000,000 pcs capacity and steel pipe full-length heat treatment production line with 100,000 tons capacity. Its products include oil casing and tubing, pipeline, coupling, drilling pipe and relevant products within API standard, and it independently provides many non-API standard products.

Certified by American Petroleum Institute (API) certification API 5CT-1121, APIQ1-2049 and ISO9001 quality system ISO9001:2000, ISO9001:2008-2148, ISO/TS-29001. Products are not only recognized and accepted by large domestic oil fields, but also exported to more than 30 countries and regions, such as the USA, Canada, Russia, South American and the Middle East, etc.

"Constantly improving and beyond self" as the business philosophy, Feng Gangxin Group will be the most powerful support and the best partner for petroleum and natural gas companies, drilling companies and trade companies.