Shandong Huijin Chemical Co., Ltd. is a hi-tech enterprise, "AAA Credit Company" of Shandong province and one of keychemicalenterprises of Dongying city. Located in Daozhuang industrial park, we are close to Jiqing expressway, Dongying port and Dongying airport, thus we enjoy good location At present, Shandong Huijin Chemical Co., Ltd,is a medium-scale chemical researching...