Sell yanshan astm a120 q345b welded steel tube for nature gas industrystock @China (Mainland)

yanshan ASTM A120 Q345B welded steel tube for nature gas industrystock Welded steel pipe Standard:GB/T3091, GB/T3092, GB/T9711, ASTM A53, BS1387, ASTM?A120 API 5L Material: Q195,Q235B,Q345B Outside Diameter:1/2

Post by Wenjun Peng    Construction & Real Estate    @2013-03-04 16:10:15