... close to Boshan-Laiwu Expressway. Haoxiang Branch has the advanced product line of pickling, cold rolling, bright annealing, tinning, and ... 11 welded tube product line. More than 100 000 tons` annual output, ratio-frequency ... Shanxi, et cetera. The new tinning sheet product line adopted Baosteel technology, the product with stable quality mainly used for food ...