... Certificate: CE, ISO, BV, SGS, IKA, ETCAdvantage:The life time: more than 30000 hoursSamples for testing are available ... 50mm-219mm, length 190-3400mm, which are used in the steel industry, harbor, coal industry, power industry, cement ... spraying painting, baked paintingBesides we can manufacture the rollers and idlers according to the buyers' requirements conveyor rubber disc return roller, ...