Hebei North China Petroleum Diwell Petrochemical Equipment Engineering Technology Co., Ltd., established on 1998-06-04, Business scope includes machining,Fabrication of Metal Structures;Petrochemical equipment engineering services;Chemical and petroleum equipment installation, modification, maintenance and technical services;boiler installation(With repair,transform)(B);Oil and gas water filtration in oil and gas fields,separate,Back note,pressurized,test,desulfurization,heat exchange,Nitrogen injection,Dosing engineering operation technical service;Chemical and petroleum equipment pipeline installation project(Operate with valid qualifications);Refining,Manufacture of special equipment for chemical production;gas,Liquid separation and purification equipment manufacturing;Manufacture of special equipment for environmental protection;Manufacture of special equipment for oil drilling;Industrial automatic control system device manufacturing;Manufacture of sewage treatment plant;Engineering survey and design service;General contracting of petrochemical engineering construction;Construction mechanical and electrical installation engineering;Sales:Petrochemical accessories,electronics,Instrumentation,Machinery Parts,hydraulic fittings,hardware tools,Groceries;Chemical Petroleum Equipment Leasing;Import and export.(The above projects are subject to approval according to law,Business activities can only be carried out after approval by relevant departments)***