... the advanced product line of pickling, cold rolling, bright annealing, tinning, and 11 welded tube product line. More than 100 ... laser texturing machine and 44 bell annealing furnace. In 2011, a new 100,000 tons tinning sheet product line was established, ... Shandong, Jiangsu, Shanghai, Zhejiang, Shanxi, et cetera. The new tinning sheet product line adopted Baosteel technology, the product with stable ...