It can be divided according to different colors: primary color kraft paper, red, white kraft paper, plain kraft paper, kraft single light, color kraft paper. According to different uses can be divided into: packaging, kraft paper, waterproof kraft paper, kraft paper moisture, rust brown paper, a version of kraft paper, kraft paper manufacturing process, insulating kraft board, leather stickers. According to the different materials can be divided into: renewable kraft paper, kraft core paper, Kraft paper, matte kraft paper, leather wax paper, kraft pulp, kraft paper and other composite bag: PP material is divided by major combo bags, poly propylene triple bags, polyethylene bags combo, triple polyethylene bags; sewn by sewing method is divided bottom bags, seam bottom bags, pocket, and bonding sewing bags; ● Press effective width of the bag Shandong dry mortar into 450,500,550,600,650,700mm valve pockets, where the effective width do not meet these specifications. Paper bag: Commonly known as: bags triple the current environmental situation is that China in the field of environmental protection made a series of important ideas woven bag valve manufacturer, which indicates that our environmental work is at a historic transition phase Paper valve bag plant, and environmental protection has become the will of the Party and the country, environmental protection is also facing a rare opportunity for development. Off grid to good production process is an important part of the coating process. We know that in the entire coating process can be divided into pre-processing, laminating, slitting three stages. Its importance, it is mainly in the first two stages. The purpose of the pre-treatment of two things: One is for printing products in the water were dehumidification process. Color film valve pockets plus lined bags | Xin Yu Package (Online) | valve bags provided by Xiong Yu Xin plastic packaging plant. Xiong Yu Xin plastic packaging plant (www.xinyusl.com) (www.xinyusl.com) Hebei Baoding, composite materials packaging products leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, the maximum Limits to meet customer needs. Yu Xin leader in packaging with the staff warmly welcome all inquiries negotiations to create Xin Yu packaging better future.