... Q195Dimension: from 10*20 to 300*500 Place of OriginTianjin, China (Mainland)StandardBS, JIS, GB, ASME, ANSI, DINGrade20G, A106B, A179B, A234B, A53B ... , upscale furniture, automobiles, airplanes, subways, ship buildings and so on.Go to our website to seek more: tjshangyijinshu.en.alibaba.com