国产精品人成在线观看_人妻内射一区二区在线视频_色妞色视频一区二区三区四区_女人张开腿扒开内裤让男生桶

Welcome to SHANDONG JIANLONG PLASTIC CEMENT CO.,LTD Website
Your Position: Home > Notice

Shandong built long PPR pipe applicable scope

2015/11/8??????view:

  1, residential areas, office buildings and other buildings of the cold and hot water system.
2, in building heating facilities
3, can be directly used to drink pure water supply system.
4, central (centralized) air conditioning system.
5, plant and other emission system
 Are good Shandong Jianlong Plastic Co., Ltd. focus on 30 years of water supply pipe suppliers, the production of Shandong PVC pipe, Shandong PVC pipes, PVC drainage pipe in Shandong, Shandong PP--R pipe, PVC-U pipes, pipe fittings products to meet the PVC-U water supply pipe implementation of GB / T 10002.1-2006 standard ", conforms to the trend of historical development. Especially Shandong dragon PPR pipe performance advantage prominent, because the green non polluting, lightweight, high temperature resistance, good insulation properties, corrosion resistance, wide application range, and interface with the hot melt technology and no water leakage phenomenon, so it has been Xu favor in the eyes of many users, the market very good reputation can work under 70 degrees Celsius temperature, service life can reach more than 50 years, safety and no pollution, saving cost