Our company TOBO GROUP is established in 1998 in Shanghai. specialized in manufacturing and trading worldwide pipe&fitting series products. We offer products like flanges. pipe&tubes. valves and other pipe fittings. Material for our products include stainless steel.carbon steel. duplex stainless steel &etc. We provide customerized products as well. Detailed info please refer to tobo-steel.com or contact monica@tobo-group.com.