We manufacture three type of hose pipe 1. rrl type a ( as per is : 636) 2. rrl type b ( as per is : 636) 3. cp hose pipe ( as per is : 8423) the all above hose pipe is available in below sizes size : 38mm 50mm 63mm 70mm 75mm 100mm -7.5 mtr 15 mtr 22.5 mtr 30 mtr length.