WeiFang HaiHua Third River Chemical Co., Ltd. is specialized in the research, production and sales of chemicals, medicines, pesticides and dyestuff intermediates. The company is a new-type joint-stock enterprise located at the bank side of Bohai Sea and Laizhou Bay, the Weifang Haihua Development Zone in the northwest of Weifang city. This region is abundant in the resources of brine and bromine; and Shandong Haihua Stock Co., Ltd., the largest manufacturer of sodium carbonate in Asia, is just ...