Columbian Chemicals (Weifang) Holdings S.àr.l., completed the acquisition of Shandong Haihua Carbon Black Chemical Co., Ltd., located in Weifang, China. This acquisition represents Columbian’s first entry into the Chinese carbon black market.      This carbon black plant, which was originally built in 2003 with a capacity of 20,000 metric tons, consists of one tread line. The company will immediately begin expanding the facility with the company’s state-of-the-art technology. The capacity will...