1. PP pipe price 1. Hebei Xingsheng Pipe Industry PP pipe manufacturer direct sales company name: Hebei Xingsheng Plastic Pipe Industry Co., Ltd. Starting price: ￥6.552, professional factory sales FRPP pipe, flange straight pipe company Name: Zhenjiang Ningde Pipe Industry Co., Ltd. Starting price: ￥163. Shanghai Hongtian polypropylene pp pipe dn50-d Company name: Shanghai Shenhai Hongtian Building Materials Co., Ltd. Starting price: ￥1.2 2. Specifications of pp pipe Specifications of pp pipe pp pipes are divided into five series according to the standard size ratio SDR value: 11, 9, 7.4, 6 and 5. PP pipe specifications pp standard size rate SDR: It is the ratio of the nominal outer diameter dn of the PP pipe to the nominal wall thickness en. The relationship between pp pipe specification SDR and pp pipe series is as follows: SDR=2S+1pp pipe fitting specification expression method: pp pipe fitting nominal outer diameter dn refers to the nominal outer diameter of pp pipe connected to pp pipe fittings. The wall thickness of pp pipe fittings should be no less than the wall thickness of pp pipes of the same pp pipe series S. 3. PP pipe manufacturers 1. Zhenjiang Yetai Pipe and Valve Co., Ltd. is located in Yangzhong Xinba Science and Technology Park, with an elegant environment and convenient technology. It is a professional manufacturer integrating scientific research, design, manufacturing and sales. Since its establishment, the company has always adhered to the quality policy of "relying on technology, meticulous research, professional manufacturing, and always creating new heights".