Standard: EN/ JIS/ GB Steel Grade: Q235, S400 , Q345 and equative grade... length:as you requested as one of the largest exporters of steel profiles in China, Tangshan Tianming Steel Co., Ltd. Is a leading enterprise in producing ASTM, EN and JIS standard steel Angles, Channels and I-Beams, handling more than 500, 000 Metric tons per year, established good sales in the Middle East, Southeast Asia ...