... , GB 5310-1995, ...endbeveled or square cut, plastic capapplicationMainly used for conveying water, sewage, gas, air, steam heating and other purposes ... of order:16MT Note:1. According to national standard (GB)for our products, if not, supply according to national standards(GB ... with roll billets or finished. 4. Please send us your detailed specifications when inquire.We will reply to you ,If you feel ...