www.hsue.cn-国产日产欧美日韩一区二区,少妇AV射精精品蜜桃专区,樱桃电视剧西瓜视频在线观看,无码乱码国产精品一区二区三区

Million tons of large-diameter seamless steel

pipes are exported to 32 countries and regions

Dexin Steel Tube (China) Co., Ltd., founded in 2002, We can manufacture and supply seamless steel pipes with OD 1/8"(10.3mm)-56"(1422.4mm) and wall thickness below 5.91"（150mm) according to ASTM/ASME、DlN/EN、BS、JlS、GOST、GB standard and customers’special requirements .