... price, 3. Strict quality control, quick delivery, responsible service. 4. High tensile strengh, good carring capacity, 5. ... using, 6. UV protection, Food grade material. MaterialComposite kraft paper and plasticUsagePackaging for petrochemical products, cement, fine grains ... s requirement 1. Material: kraft paper, PE laminated, plastic and paper fabric2. type: bag with valve3. bottom: block or ...