Junyi Hardware & Plastic Company do business about plastic for 11 years, can manufacture various kinds of Plastic Products for Noise Reduction Device. Plastic products export to US, UK, etc, with good quality and competitive prices.1.Common used plastic material:ABS,PC ,TPR,TPU,PMMA,POM,PA,PP,BPT etc. 2.ISO9001:2000/BV certificated..