... adaptor 1.size:1/2" to 8" 2.type: A,B,C,D,E,F,DC,DP, AA, DD, ... Basic company informations:* family company, have 2 factory* with a history of 16 years* have 10 years' export experience and ... pp,nylon *size: from 1/2" to 8*parts" type A, type B, type C, type D, type E, type ... type DP,type AA, type DD*advantage: economical, convenient, simple,*available in a wide range of materials and sizes to suit most ...