Shanghai Longbao heavy paper packing Co., Ltd.   

Shanghai Longbao heavy paper packing Co., Ltd (foreign investment), since the 94 years since the opening, the whole set of equipment is specialized in the production of heavy duty corrugated packaging box, paper tray, production of the introduction of the seven layer AAA high compressive corrugated paper products, skilled production, technology staff, including the design personnel to provide services. | high strength paper tray our company design and production is an ideal product for replacing the wooden tray. Materials used with most of its worldwide trademark registration of "seven layers of high compressive corrugated cardboard" and after treatment of high-strength waterproof corrugated board. Technical performance of the board with USA national standard PPP-B-640D and the world's other 42 countries government...