Zibo Shangao Economic And Trade Co., Ltd. is one of the professional manufacturers and traders specialized in the research, development and production of chemical products. Zibo Shangao Economic And Trade Co., Ltd. is the subsidiary of Zibo Shangao Chemicals Group, built in 1995, owning long history and rich knowledge on the chemical products, located in Zibo, one of the main industrial cities in China. Our company mainly produces and sells benzoic acid series (benzoic acid, sodium benzoate ...