Qingdao Bonded Logistics Park Products International Trading Co., Ltd, established in 2007, is a subsidiary company of Shengli Oilfield Highland Petrolieum Euipment Co.,Ltd., which national reserach and development center for oil product equipment good standing, the had been awarded with quality system ISO 9001:2000 ...

Songyuan Daduo Oilfield Accessory Industry Co., Ltd. is a special company producing oilfield products. We are one of the key invited enterprises Municipal Government, leading enterprise City to produce matching products for oilfields, new and high-tech innovative Jilin Province as well remanufacturing pilot unit ...