... corrosion resistance, no scaling: can avoid pipeline corrosion of birdbath, bath crock of sorrow, rust macular from pipeline corrosion caused by ... excellent. 5 and light quality: the proportion of the metal is only one of seven points. 6, product appearance: smooth outer wall ... modelling. 7, installation is convenient and reliable: the number of seconds, hot-melt connection, safe and reliable. 8 and ...