... pe, pex, pex-al-pex, pap, pe-rt, evoh pipe and fittings, biggest factory in DIAN KOU, China Zhongde Ruri ... of 30 provinces,city and municipality.Zhejiang Zhongde Ruri Pipe Co.,Ltd belongs to Executive Director Unit of Water- ... and guild organized the management activities of PP-R pipe quality in the first half year during 2005 to ... ,we havent been satisfied ,because quality is no endless PLASTIC PIPE