Ningbo Donsen Building Material Co., Ltd. is a professional manufacturer, specializing in producing PP-R pipes, PPR-AL-PE pipes,PPR-AL-PPR pipes, PPR-S pipes, PPR copper pipe and fittings. The former of our company is an enterprise which produces the moulds of PPR, PVC, PE and PP pipes. In order to meet the fiercely increasing and high market demand of the plastic pipes, we have established the second factory - Xinyi Plastic Industry which focuses on PP-R water supply piping systems. At ...   |