Tianjin Ruijin Technology Co., Ltd., established on 2013-03-19, The scope of business includes technical research and development of electromechanical equipment,consult,Serve,transfer,Sales;Electronic equipment,semiconductor equipment,Professional manipulator research and development,manufacture,repair,Sales;General Electromechanical Equipment,Instrumentation,Metal structure,Steel structure production,Install,Sales;elevator,Plumbing Repair(Operate after obtaining the license from the special equipment safety supervision department);Wire and Cable,Mechanical equipment and accessories,electronic product,plumbing accessories,metallic material,Lifting accessories,auto parts,Explosion-proof electrical appliances,Wujinjiaodian,building materials,Decoration materials,knitted goods,Daily necessities,computer,office equipment,Stationery,pulp,paper products,Chemical raw materials and products(Excluding dangerous chemicals and precursor drugs)Wholesale and retail;household appliances,Mechanical and electrical equipment maintenance;building engineering;Machinery and Equipment Leasing(Except for special equipment);Labor service(Does not contain dispatch);Electrostatic spraying;Engage in import and export business permitted by national laws and regulations.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)