1.Size:20-63 2.Box Material:steel 3.All size and all kinds 1.Useness:This product is applicable to thermoplastic pipes such as PP-R/PE/PP-C connection. Our factory the following products ( 1500W with DN 20, 25, 32, 40, 50, 63 ). The product has the advantages of precise temperature control, high reliability, good safety and unique non-stick plastic mold technology, convenient operation. the ...