Tianjin Zhongtetesi Import and Export Co., LTD is a private joint-stock corporation,integrating manufacture and sale of hardware products.We have independent import and export rights,exclusively providing high quality Drilling machine, punch?Tensile spring?Gears, bearings?Hardware accessories and other related products.Our products not only sell well domestically, but also have a large market in overseas markets, such as Japan, Korea, the United States, Europe and Southeast Asia. With ...