Qingdao Huadong Calcium Producing Co. Ltd. is an export-oriented manufacturer with the State granted export permit for all the products it makes. Its major product is calcium chloride and the annual production capacity is 150,000 metric tons. Since the start of the company, Huadong has never loosened its efforts in focusing on technological progress, scientific management, and employee training, as we believe they are the key forces in moving the company’s production and operation , product qual...