Datong spring (China) Co., Ltd. is Japan Tatung Co., Ltd. established in China in the spring under the sales company. 
 Tatung Co., Ltd. of Japan was established in spring 1947, is the world's most famous manufacturer of die springs. 
 Datong spring high precision, long fatigue life, unique appearance. Die spring specifications Ф8 × 15mm ~ Ф60 × 500mm. Models were small in size, light, medium, heavy and overweight loads, spring end engraved with English trademark: "DAI SPRING", "TRY SPRING"; Chinese trademark: "The new Harmony line." Products are exported around the world. 
 In order to meet the needs of our customers in China to win more market space, the company decided to set up a sales company. 
 Service aim: to assure each customer the use of our products. 
 Marketing policy: based on the Yangtze River Delta, covering the whole of China. 
 Quality: the pursuit of excellence in quality; commitment to customer satisfaction