- Introduction
Flange backing ring
Product overviewYOUYI HDPE pipes and fittings are produced from imported PE 80 or PE 100 resin and in accordance with the specifications set-forth in GB/T 13663-2000, GB/T13663.2-2005, GB/T17219 and hygiene-related regulations enforced by National Department of Health. Owing to its well-established chemical properties and economic advantage, PE pipes are widely used in engineering.