The registered address of tangshan xinjian science and technology ltd. Is located in the village of zhu zhu zhongtang, yuda county, tangshan city, hebei province. The registration authority is the market supervision authority of okeda county, represented by the legal person in xue bao state. It covers the sale, lease and maintenance of led electronic display screens; the development and transfer of computer applications, technical services, technical advice; the maintenance of communications equipment, agricultural machinery equipment; computer and assistive equipment, communications equipment, hardware, metal materials, household appliances, building materials (except timber, lime and products restricted or prohibited by the state), daily department goods, sports supplies, office supplies, electronics, cosmetics, cooking equipment, clothing shoes caps, needle textiles, mechanical electronic equipment, and security equipment. (projects subject to legal approval may not operate witho...