High Temperature Silica Gel Rubber Roller 1)First grade quality 2)Good after sale service 3)Passed ISO9001:2000 1. ... hoses and rubber products. Our products are extensively used to mine, metallurgy, petroleum, construction machinery, chemical industry, traffic, shipbuilding, textile industry, etc ... meet the national standard and have passed the ISO9001:2000 High Temperature Silica Gel Rubber Roller