DETROIT (Dec. 3)—Crain Communications Inc., parent of Rubber & Plastics News, has moved its corporate headquarters to a new location in the city. The company became the lead tenant at Brewery Park Phase II, occupying most of the fourth and all of the fifth floors of the five-story building. The company moved most of its 250 employees working at its Woodbridge Avenue office to the new site, and eventually all Detroit-based Crain employees will relocate there. Sherri Begin, RPN's Detroit-based reporter, moved to the new location. Her phone number remains the same (313-446-1684), while her fax number and address have changed to 313-446-0383; 115 Gratiot Ave., Detroit, Mich. 48207-2997.