Dalian Sitong International Trade Co., Ltd. was established in 2012, attached to Haicheng Sitong Group Corporation, and originating from the Foreign Trade Department of Haicheng Sitong Magnesium-Plastic Products Co., Ltd. We have two strong product suppliers: Haicheng Sitong Magnesium-Plastic Products Co., Ltd. and Qianye Hengda Plastic Packaging Co., Ltd. Our company mainly exports and imports all kinds of PP packaging bags, PP materials and other related products, including PP rice bags, ...