Nanjing Tongxin Industry&Trade Co.,Ltd, founded in April 2015, which is private enterprise with registered capital of 7 million yuan. The company lies in Zhenxing Road, Zhaoguan Industry Park . Chiping City(NEXT TO SHANDONG JINAN), about 75 minutes driving from Jinan Airport, It located in Middle of China,and It will take 2.5hours flying from Guangzhou And Shanghai.And high perfomance cost on logistics.In 2018 ,We built a new trade company in Nanjing with 1000 floor space, We are specialized in the design,development,production and sales of auto radiator,condenser, intercooler for various kinds of vehicles and tractorsIt holds more than15 invention patents, with 4 modern automatic assemble lines and a full range of detection equipment . There are 100 collegues work in the factory,and Office in Nanjing.On the basis of making high quality products, Shuangju adheres to modern management and global operation concepts, pursuing to be a high-end manufacturer.