OD: 6~426mm WT: 0.5~30mm
Standard GTW apply to: EN/DIN, ASTM/ASME,JIS,GB/GB/T.

Grade of materials GTW produce:
TP304/L/H,TP316/L,TP309,
TP310S,TP321/H,TP347/H,904L,
S31803,S32750,S32304,
TP410/S,TP405,TP420,TP430,0cr18SiAl.etc.
253MA, monel400, 254SMO
long tubes, Coil tubes, bright annealed tubes ,etc.