... C, D, DC, DP, E, F 3Material:PP-R High quality PP typeDF rubber coupling 1Sizes:1/2" to 4" ... B, C, D, DC, DP, E, F 3Material:PP-RCOMPANY INTRODUCTION Ninghai Xinming Hard&Plastic Factory.Iocated in Science ... sqyare meters.we have 10 sets of advanced computer injection equipment and various otheracvanced production equipment.The ... company near Ningbo KangEr Underwear Co.,LTD, PP-R camlock fitting type DF