E-mark Material Co.,Ltd. is a professional supplier and global exporter specializing in metal manufacture and exportation. It is committed to set the steel trade, processing, storage and distribution within the trade as one integrated distribution companies. Our main company (Sigma Builders Pte Ltd) is in Singapore, founded in1992, have branch office in India, Thailand, Malaysia,In recent years, winged by rapid merge and expansion, Our well-equipped plant emerged in Hebei, Tianjin, Shanghai , ...