Tianjin Jinjia Petroleum Engineering Technology Service Co., Ltd., established on 2009-03-04, Scope of business includes drilling,oil recovery,Oil and gas development,pipe crossing;Development of Drilling and Completion Fluid Technology and Tailing Fluid,cuttings,tail fluid,Fracturing Fluid,Harmless treatment of waste liquid from oil production;Petroleum Engineering Technical Services;culvert,culvert,rubble wall,Construction of cement pavement;house waterproofing,wall cleaning,paint,Colored plastic steel house construction;Machinery and equipment leasing and parts sales;sewage purification,Boiler descaling;Petroleum basic engineering,Pipe installing,construction work,house demolition,Landscaping,Earthwork construction;Sales of drilling equipment and accessories,flocculant,R & D and sales of anti-slump agent;Car rental;Indoor and outdoor decoration;electronic,ITProduct sales;Weak current project installation and maintenance;Computer software sales and service;Labor protection supplies,hardware,building materials,steel,Quartz sand,Coated resin sand,Ceramsite sand,Wholesale and retail of river sand;Cement component manufacturing,Sales;Health Advisory,Business Management Consulting,Business Consulting Services.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)