... or 5 layersTianjin Sai Mei Intl.Trade Co., Ltd is a steel trading company which specialized in steel product to export ... /Heavy Steel Rail and so on . We company has enjoyed a good reprtation thruogh past ten years. We are insure that ... quality. Company nameTianjin Sai Mei Intl.Trade Co.,LtdAddressRoom A-308,NO.70 HAIBEN,5TH ROAD TIANJIN PORT FREE TRADE ZONE,CHINABrandSAI ...