Ruian Dongya Packing Machinery Co., Ltd. is located in Rui'an City of Zhejiang, and was founded in 1992. In the field of plastic machinery, we have kept rapid development on the basis of constant research and application of advanced technology. During more than ten years, our enterprise has always been devoting ourselves to technological improvement, scientific management and production and sales. We also enhance our competitiveness by internationally new technology. The machinery of our ...