Shandong Deshunyuan Petro Sci&Tech Co., LTD, established in Dongying, Shandong, P.R China in 1999,is a high-tech enterprise which is dedicated to developing the petroleum engineering services.

Our main business covers drilling engineering service, drilling fluids services, harmless disposal technology service of drilling waste, direction wells, coring, R&D and service of chemicals for oilfields, production of chemicals for oilfields, oil equipment processing and manufacturing. As a ...