Drilltech Manufacturing Company Limited is a shareholding company specializing in R& D, design and manufacturing of blowout preventers, diverters, electromagnetism eddy current brakes and hydraulic....
We are a group that including steel trading, coal trading, logistics, steel mill, real estate.
We, Cangzhou Golden Source Co., Ltd, is a private trading company with three refineries in Cangzhou City, Hebei Province, China.Our refineries have over 20 years of experience. We are impoting BRA, ....