Jiyuan Welong Petroleum Equipment Co., Ltd.

Jiyuan Welong Petroleum Equipment Co., Ltd. (operating as Welong Supply Chain / Dshow Machinery) is one of the most professional downhole drilling tool manufacturers and suppliers in China with over 25 years of experience. The company specializes in oilfield products and customized drilling solutions, providing a comprehensive range of downhole drilling tools including drill pipes, drill collars, stabilizers, heavy weight drill pipe, hole openers, roller reamers, drilling jars, mud motors, and drill bits (tricone and PDC). With ISO 9001:2015 and API 7-1 certification, the company strives to be a leader in the international oilfield supply chain. The company maintains a sales office in Xi'an, Shaanxi Province, with manufacturing facilities located in the Jiyuan petroleum equipment manufacturing cluster in Henan Province.