Dingzhou Tianli Leaf Spring Manufacture Co.,Ltd. is a special manufacture which produces the steel plate and spring for the heavy-duty car of imported car for national use. The special was established in 1978, has history more than 20 years, since the enterprise initiates, has been using the 60Si2Mn with the high should the dint material orodue the steel plate spring coil. The technical force is strong. We have the ability for developing, testing, checking the products. The manufacture equipment is advanced, and We own the produce line composed of by dtaulic batching machine, the compressed air shot blasting machine and the buring temering machine, heating and gasfired boiler. The temperature of hot treatment controller get to +/-5C. We have the checking equipment used for laboratory test, hardness, metallurgy and the fatigue tester, and then we can control efficiently and improve the quality of products and fulfill the demand of the customers better. After several years of developing, we have already produced more than 20 series in cluding more than 100 assortment, the mainly kinds ard BENS, TIEMA,ISUZU,RIYE,CRAB,TAITUOLA,STEYR,MEIGUOWANGUO,DONGFENG,JIEFANG so on and so, The product quantity acquires the quantity acquires the customer