As V-LINE GROUP China branch, JUN CHENG（Beijing) Technology & Trade Co.,Ltd is dedicated to MRO(maintenance, repair and operation) for over 10 years. Import and export procurement services and spare parts are our core business, the main industry fields include iron and steel, automobile, petrochemical, beverage semiconductor, etc. The services include water treatment, energy, valve and pump maintenance and project. Now JUN CHENG is the best MRO supplier, thousands of enterprises benefit from our solution and services, to be continued.