Sun Chemical is expanding its manufacturing facility and laboratories in St. Charles, IL. At this plant, which has been home to Sun Chemical’s Coates Screen division since 1995, the company also plans to combine the operations of its Chicago-area Clearing plant as well as Kohl & Madden’s facility in Elk Grove Village, IL.     The $7.2 million project will add nearly 32,000 square feet, bringing the plant to 90,000 square feet. The building will include ink manufacturing operations, expand...