国产精品极品在线观看|国产成人久久av免费|9久久99看黄毛片免费|精品国产看高清国产毛片|欧美一级黄片日韩中文字幕|国产超碰人人一区二区三区|国产精品自产拍在线观看不卡|国产成人精品高清一区二区三区

    Founded in 1999, Zhuzhou Hongda Polymer Material Co., LTD.(ISO9001:2015 qualified), is a national high&new technology enterprise covering an area of 50000㎡  in the XINMA industrial park , which is located in Zhuzhou city – the transportion hub in Middle-South area of China. 

Main products :

● High Performance Plastics: PVDF, PFA,PCTFE,PTFE,FEP,ETFE,PEEK, UHMW-PE, ABS etc.

● Polymer Seals

● Spring Energized Seals

● Precise Machined Components

● Reverse Osmosis Membrane Fittings

● Chemical Tanks,Pipelines and Equipment (WSA)