rizhao zhengmao plastic package co., ltd established in the spring of 1993, locates in the kuishan industrial park in the south of rizhao, with aera of 76000m2 and fixed assets of RMB 50million, it is the largest green packing enterprise in our city, whose products include new material packing, plastic printing, compound poly products which have first class quality in the world.the enterprise with advanced technology processes according the ISO9001:2000 quality -managing system and the HACCP system, which contribute to the speedy development of the company.at present, the company with 250 workers, can product 7000MT of products and 20 billion package bags yearly, and also it can develop 100 types of new products.