Beijing Yadan Petroleum Technology Development Co., Ltd., established on 1999-11-15, Business scope includes petroleum engineering,Instrumentation,Equipment,oil and gas,software technology development,Technical Services,technical consulting,technology transfer,Technology Promotion;computer system integration;Sales of developed products(Except for special regulations),Machinery and electrical equipment,Chemical Products,Computer hardware and software,Wujinjiaodian(E-bike not included),department store;Professional contractors;Commissioned to process industrial control computer automation products,remote control unit,Oil and Gas Automation,Environmental online monitoring instrumentation,Low voltage distribution cabinet;Internet information service business(except news,publishing,educate,medical insurance,medicine,medical devices andBBScontent other than).(Enterprises independently choose operating projects according to law,Carry out business activities;Items subject to approval by law,Carry out business activities in accordance with the approved content after approval by relevant departments;Do not engage in the business activities of projects prohibited and restricted by the city's industrial policies.)