Dear sirs, Good day and I obtained your purchase information from internet. Our main products: (1)U-PVC ball valve PPR steel core ball valve union ball valve octagonal ball valve Standard: DN20－DN110 Color: white, gray, blue mode: spigot, screw thread (2)PP hydrant ball core/ceramic core Standard: 20 25 model number: 4 , 6 Color: All kinds We have passed the certificate of ISO9001 and have our own brand, also can OEM.Hope to receive your inquire and have the cooperation. Yours sincerely Vivian -------------------------------------------------------------------------------- shandong jinghang plastic valve co., ltd 0086-530-4698181 0086-15863245245 msn:***** email: *****