Guangdong Zhonghuan Printing Co., Ltd. is a production-oriented enterprise that designs and produces food packaging bags, self-supporting bags, three-sided sealing bags, four-sided sealing bags, eight-sided sealing bags, cooking vacuum bags, kraft paper bags and other paper-plastic packaging bags and roll films. Our company adheres to the operation concept of "quality first, service first". The company has a large number of talents who have been engaged in packaging and printing for many years. Now it has a number of high-speed printing machines and a series of pre-press and post-press supporting equipment, as well as a standardized production workshop, technical research and development center and quality testing laboratory. The company has passed QS certification, ISO9001 international certification and 6S management to provide customers with competitive and diversified products.
The ordinary zipper bag is generally large in size, and is made of woven bags, transparent PE or OPP plastic film. The zipper is ordinary plastic zipper, which is generally used to package relatively large goods, such as the outer packaging of quilts, large simple luggage bags, etc...
Polyethylene itself is non-toxic. Polyethylene is mainly divided into high density polyethylene, low density polyethylene and linear low density polyethylene. The surface of polyethylene is matt, and it is milky white waxy granular, corrosion resistant, water absorption is relatively small, and electrical insulation is relatively high. It is mainly divided into two production processes: high-pressure tube method and kettle method. It is mainly used for agricultural film and industrial packaging film products...