Shandong Weifang Rainbow Chemical Co., Ltd. engages in the research, development, production and sale of agrochemicals. Its products include herbicides, fungicides, insecticides, plant growth regulators and biopesticides. The company was founded by Wen Cai Wang, Guo Qing Sun and Hong Bing Qiu on June 23, 2005 and is headquartered in Jinan, China.