Home > Industry Knowledge > Content

Product Standard

Apr 11, 2017

GB 700-1988 "Carbon Structural steel"

GB/T 3280-1992 "stainless steel cold rolled steel plate"

GB/T 9119-2000 "Planar and sudden-face flat welded steel pipe Flange"

Design standards

GB 50015-2003 "Design code for water supply and drainage of buildings"

Engineering standards

GB 5749-1985 "hygienic standard for drinking water"

GB/T 5750-1985 "Standard test method for drinking water"

GB 50242-2002 "Construction quality acceptance code for water supply and drainage and heating engineering construction"