... :A, B, C, D, DC, DP, E, F 3Material:PP-R High quality PP typeDF rubber coupling 1Sizes:1/2" to 4" 2Types ... :A, B, C, D, DC, DP, E, F 3Material:PP-RCOMPANY INTRODUCTION Ninghai Xinming Hard&Plastic Factory.Iocated in Science ... of strong force R&Dand design teamwork.Currrntly .we can manufacture various plastic products.massage.garden tools.cleaning machine parts and plastic ...