Henan Shenlong Petroleum Drilling Tools Co., Ltd, a US-China joint enterprise, is one of the leading manufacturers of high-quality petroleum drilling tools servicing regular customers from Russia, the Middle East, the USA, Brazil...etc. based in mainland China. We are dedicated to serving the oil and gas exploration and oil drilling industries on a global basis.

Beijing Valve General Factory Co., Ltd., formerly known as Beijing Valve General Factory, owns Beijing Valve Research Institute. It was established in 1952. It is a key backbone enterprise of the Ministry of Machinery Industry of New China manufacturing high and medium pressure valves and steam traps. It is one of the top 500 Chinese machinery enterprises. The vice chairman unit of the National Valve Industry Association, the member unit of the National Valve Standardization Technical Committee, the member of the Valve Committee of the State Administration of Market Supervision, the director unit of the China Association for the Promotion of Special Equipment Safety and Energy Conservation, and the Beijing Municipal contract-abiding and trustworthy unit; the integrity management demonstration unit is a national high-tech enterprise, a Beijing technological innovation enterprise, and an AAA-level contract-abiding and quality-oriented enterprise; won the certificates of honest entrepreneurs and honest managers. The ”Beijing" brand trademark has been continuously rated as a famous trademark in Beijing since 2010.