Oil paper bag production process of how to control the color, as a key to customer satisfaction, in order to ensure the same batch, different batches of oil bag of color to meet customer requirements, we are in a paper bag for spot color printing process can use the following measures to control . 1. First make color card provided by the customer according to the color standard sample, using computer matching system gives the proportion of spot color ink; then call up the ink sample, with a uniform ink instrument exhibition ink instrument 'display' different densities of color samples; and According to national standards (or customer) requirements for color range, determined by a spectrophotometer standards limit shallow depth limit, making printing standard color cards (color excessive need further amendments). Color card half normal color samples, Wenshan paper, the other half is surface-treated color sample, which is used in order to facilitate quality control. Kraft paper bags is a composite material or plain brown paper packaging container production, non-toxic, tasteless, non-polluting, paper prices, low-carbon environment, in line with national environmental standards, with high strength, high environmental protection, is currently the most popular environmental One of packaging materials. Kraft paper bag is all wood pulp paper as a substrate, and yellow color into white kraft paper kraft paper, PP material can be poured on the paper using a film, kraft paper bags, from the waterproof bag can be made a strength according to customer requirements to six, printing and bag making integration. Way back into the opening and sealing, paper seal and lake. Wenshan paper bag | paper bags wholesale | Jinxiang quality assurance (certified merchants) are provided by Shandong Jinxiang Paper Limited. Road Zhiyuan, temper forward. Shandong Jinxiang Paper Co., Ltd. (jinxiangzhiye.1688.com/)(www.sdjxpaper.com) aims to become and you win symbiosis, strategic partners to move forward, more determined to become the most influential business PAPER , and you leap together to success!