Daqing Zhonghang Petroleum Machinery Manufacturing Co., Ltd., established on 2014-08-20, Business scope includes oil drilling and production accessories processing,Oil drilling technology development and technical services,Research and development of oil drilling equipment,Mechanical equipment maintenance(Except for special equipment),Car rental,Planting and sales of flower seedlings,Standard Parts,Research and development of water treatment equipment,Manufacturing and sales,Generators and electrical units,engine,Micro motors and other motors,Power Electronic Components,Wire and Cable,Insulation products,Other electrical equipment,Manufacturing and sales of other unlisted electrical machinery and equipment,Wellhead,Christmas tree,Valve manufacturing and sales,biotechnology research,Manufacture of pressure piping components(For details, please refer to the special equipment manufacturing license of the People's Republic of China);Sales:Instrumentation,Downhole Tools,Drilling accessories,electronic product,Pump,Equipment,Fire Equipment,interior decoration materials,rubber products,Plumbing equipment,metal products,electric equipment,lubricating oil,Glass product,Chemical Products(Does not contain dangerous goods and highly toxic substances),Office Supplies,household appliances,Clothing and shoes,knitted goods,auto parts,plastic products,communication device,Groceries,Computers and Auxiliary Equipment,Wire and Cable,building materials,plaque,steel,wood,hardware products,sporting goods;Pumping unit and accessories,electric motor,Transformer Repair.