For the connection between the connection between the conduit, conduit and junction box connection, Bronze Trophy minister beam section connection, galvanized pipe. The lead water beam section, also known as hot galvanized beam Festival, is different from the electro-galvanized beam section, its surface hot-dip galvanized, corrosion resistance, which is widely used in high-end electrical installation project specifications and conduit match, from 20-50 have lead water beam section produced by the British standard BS4568 standard, metric thread 1.5 per package number varies according to specifications, customers can purchase unpacking our company is a factory direct, high quality and low price, welcome to patronage!