Located in a beautiful coastal city which is nearby Qingdao, Rizhao Zhengyuan Plastic Products Co., Ltd. the largest special production enterprise of beverage sucking tubes north Yangtze River Delta China. Our rich technical ability and has investment 6 million Yuan. There are 26 sets ...

Starting with handware,we have built our company and process production strictly according to the standard of clean enterprises closed system factory buildings;workshop air purification system;staff sanitary disinfection system,;quality tracing testing system; a laboratory where ...