How many industrial zones are there in Liuzhou, Guangxi? Which ones are the biggest?

SAIC-GM-Wuling Automobile Co., Ltd. liuzhou wuling Automobile Co., Ltd. Guangxi Liugong Machinery Co., Ltd. Guangxi Liuzhou Iron and Steel (Group) Company Liuzhou Chemical Industry Co., Ltd. Liuzhou Chemical Industry Group Co., Ltd. Liuzhou Double Needle Co., Ltd. Liuzhou Ouwei Machinery Co., Ltd. Guangxi Jinzizi Co., Ltd. Dongfeng Liuzhou Automobile Liuzhou Special Purpose Vehicle Factory Guangxi Yufeng Cement Co., Ltd. Liuzhou Zinc Products Co., Ltd. Guangxi Huahong Pharmaceutical Co., Ltd. Liuzhou Lanhai Technology Co., Ltd. Liuzhou Ou Bo Technology Co., Ltd. Liuzhou Yingteng Soft Guangxi Liugong Machinery Co., Ltd. is the largest Liuzhou steel in China. (Group) Company, SAIC-GM-Wuling Automobile Co., Ltd., Liugong Group, Dongfeng Liuzhou Automobile Co., Ltd. and liuzhou wuling Automobile Co., Ltd. are among the top 500 industrial enterprises in China.