There is a shuttle bus from Shenchong to North Bus Station (* * and Zhongshan North Road on Xinlu Road) at Nanmen Bus Station. Transfer to Bus No.65 at North Bus Station and get off at Wujin Road Station of Sichuan North Road, then transfer to Bus No.573 at Haining Road Sichuan North Road Station and get off at Jinqiao Road Station of Qishan Road. No, it takes more than three hours.
The routes in Ford Town and Chenjia Town are almost the same. You just need to see Shen Chong's X-rays, and then change trains in Shanghai.