We Qingdao Sino Combo Co., Ltd are experted manufacturer and export of pp woven bags, container bags, ton bags, etc. We have our own factory and overseas department and products enjoyed good quality reputation and fast sales all over the world. We located in beautiful seaside city of Qingdao, China . Our company researches and develops high-tech & high-quality woven bags. Since establishment, our company has promptly built the power to develop business relationships with customers in ...