The steel market of golden jiaozhou A4-4

Qingdao Hengda Tongda Machinery Co., Ltd. is a professional production of PVC waterproofing membrane equipment, light boxes cloth laminating machine, laminating machine advertising cloth, fiber cord c...

Our factory produces gypsum plasterboard production line, which produces new building materials---paper faced gypsum board. Our factory have been manufacturing and exporting all kinds of building mate...

Qingdao Weier Plastic Machinery Co, .LTD is a professional company specializing in polymer and plastic machinery. Qingdao Science and Technology University Plastics Engineering College pilot and indus...