... all with automatic machine lines3,minimum order:according to customers requirements4 Sample for free,but u should ... of the metal, anti-stress test's intensity up to 5MPa (50kg/cm2) above, toughness, good impact ... melt connection, no sets of silk, a few seconds to complete a joint connection, and using high-quality copper ... normal usage life can be up to 50 years or more. PPR short bypass bend