Weifang Ruihai Plastic Products Co., Ltd. and Weifang Ruihai Machinery Co., Ltd. belong to the same parent company. In the first We are the manufacture PVC Hose machinery.Compared with other PVC Hose manufacturers the advantages will be more obvious. The bestmachinery to be used in Weifang Ruihai Plastic Products first. So the plastic hose is more advanced, and the control of size,color and hardness of hose is more accurate in production. The tensile strength and peel strength of hose will be stronger.