... or stainless steel 2 Bandwidth: 20mm 3.ISO9001-2008 2012 Hot steel heavy duty pipe hose clamp Haiyan Hongtai Metal Products Co.,Ltd. ... , stainless steel 304 ,brass2) surface treatment: Zinc , powder coat, hot-dip galvanized3) machining Process: Stamping , turning,tube bending, welding, milling ... WuMob:86-13646737163Tel :86-0573-86887878 Fax :86-0573-86887758 2012 Hot steel heavy duty pipe hose clamp