SHENZHEN, China (Oct. 23)—GE Toshiba Silicones and Shenzhen Guanghua Enterprises Development Co. Ltd. have formed a silicone elastomer joint venture. GE Toshiba Silicones holds a 51-percent share of the venture, Shenzhen GETOS Fine Silicones, while Shenzhen Guanghua retains 49 percent. Shenzhen Guanghua transferred its silicone elastomer business to the new company. The firm makes and sells a range of high-quality silicone elastomer products to customers in more than 20 provinces in mainland China and Hong Kong in building and construction, electrical/electronic, automotive, health care and other industries. Total investment at the Shenzhen-based company was $6 million.