Company will form joint venture with Suzhou Sanji Foundry Equipment Co., Ltd., a leading Chinese-owned casting equipment manufacturer VALLEY CITY, Ohio, April 20, 2015 – Shiloh Industries, Inc. (NASDAQ: SHLO), a leading global supplier of lightweighting, noise and vibration solutions, today announced plans to open a new aluminum casting plant in Nantong, China in a joint venture with Suzhou Sanji Foundry…