haiyu on machinery co., Ltd. is dedicated to the development, design and manufacture of packaging equipment companies, long for the food, beer, beverage, cosmetic, pharmaceutical, building materials as well as electronic and electrical appliances industries specializing in the production of packing, unpacking, packing machine, carton sealing machines, palletizing machine. Yu Zhuang is the packing lines, strapping, stretch wrapping machine, shrinking machine, sealing machine, sealing machine most professional production enterprises.