You can not use any tool to automatically seal the bags, common with zipper ziplock bag, stickers ziplock bag and so on. Zipper ziplock bag (also known as dense bag from any bottle closure pocket bags, sealed bags, zipper bags, bone bag, English: Ziplock bags, Reclosable Bag, Zipper Closure Bag, Resealable Bag), polyethylene (LDPE ) and high voltage polyethylene (LLDPE) by blown film forming, eagerly mechanism bags, made possible a resealable plastic bag. Common materials are PE, EVA, PET, stickers ziplock bags and other types of more, using monolithic membrane cross folded, side sealing, plastic mouth and then paste in the side of the bag closed beta, also called self stick bags, common materials are: Before OPP stickers, courier bags (multi-layer co-extruded film), PP, PVC and other plastic bags made you want to master the information first, first you need to know what kind of custom-made materials ? Usually bag, then mainly HDPE and LDPE. HDPE is a high-density polyethylene, high density polyethylene Chinese, commonly known as the low-pressure ethylene, referred to as PO; LDPE is low-density polyethylene, low density polyethylene Chinese, commonly known as high-pressure ethylene, referred to as PO, HDPE performance rather hard, using relative LDPE is concerned more extensive. Commonly used in traditional Chinese medicine closure pocket vest bags, garment bags, hospital CT bags. LDPE is relatively soft relative performance HDPE closure pockets, strong toughness, printing color more choice, then the general LDPE materials. We can do are made of transparent PE closure pockets, PO, PP, OPP, CPE, PVC, POF and other pouch. Red Plastic Factory (map), bottle closure pocket, closure pocket by Xiong red plastic plant. Red Xiongxian plastics plant (tztz89647.ynshangji.com) adhere to the "people-oriented" business philosophy, with a professional staff, and strive to provide the best products and services to contribute to society, and welcome new and old customers throughout the visit and sincere cooperation for a better future. Red Plastic Factory - your trusted friend, Company Address: Meng Xiong Xiong Zhou Road south plate red plastic factory, Contact: Zhao floor.