
Open Mouth Pasted Bottom Kraft Paper Bag. Professional Manufacturer: 24 years experience, national-appointed cement sack manufacturer with ISO9001/ISO22000/BSCI/FSC certifications. Premium Material Quality: Made from 3-layer 80g kraft paper sourced from Sweden, Canada, America, Russia, and local suppliers. Versatile Application: Suitable for packaging cement, dry mortar, putty powder, self-leveling, and joint mixtures. Customization Options: Supports OEM/ODM services with flexo printing (1-6 colors) and custom sizes up to 600*495*100mm. Durable Structure: Features moisture-proof and shock-resistant properties with pasted bottom and valve bag designs. Flexible Loading: Available in 20kg, 25kg, 45kg, and 50kg loading weights to meet diverse customer needs. Advanced Production: Equipped with 13 sets of imported machines including Windmoeller&Hoelscher and Newlong production lines. Fast Sample Delivery: Sample time is 3-7 days, with production time ranging from 20-35 days depending on quantity.