... certification 3.manufacturing factory Our company, Hebei huamao plastics Co., Ltd. specialized in producing and manufacturing various jumbo bags, woven ... can be widely used in packing fertilizer, wood, coal, chemical products, cement, sand, ore and other powdery, granular, ... products are widely used in packing fertilizer, wood, coal, chemical products, cement, sand, ore and other powdery, granular, ...