The last century, 70′s, Zezhou “small smelting, small cast,” as the representative of the “five small industries” is famous. Of the last century 90′s, the Zezhou metalworking industry’s heyday, the peak of more than 200 county Foundry, BF 1300 I Block, employing nearly 5 million people. The main products are cast pipe, machinery parts, and other casting products, sold to Guangdong, Fujian, Shanghai, Beijing…