Jiangyin Dazheng Technology and Science Co., Ltd., a sino-foreign joint venture specialized in the production of tire bladders and special rubber products, is located in the Nanzha Industrial Park of Jiangyin City, Jiangsu Prov. P. R. China. More than 50 million yuan has been invested in the first-phase project, which adopts the injection method to manufacture the tire bladders of various models and specifications, and in particular boasts unique strength in the production of high-quality all-steel radial tire, semi-steel radial tire and engineering tire bladder. It is the only manufacturer in China that can produce injection-style engineering tire bladder. With the first internationally advanced, maximum injection and fully automaticd production line of tire bladder, it has an annual output of more than 200, 000 bladders of various models.