Kingrig specializes in the supplyment of equipments, services and solutions to oil gas industry. We are aimed at helping Customers obtain maximum best from their each well. Whether end users or distributors, Sungsen is able provide that make a positive impact on our well performance ...

Weifang Sanli Scientific & Technologic Power Co., Ltd lies in beautiful world dite capital-weifang city , shandong province china .It is hi-techenterprise good at research development and manufacture of petrol equipment oilfield movable barracks, house develpoing rapidly, groeing ...