Greatchem is an international company active in oil drilling chemicals, food additives, anti-freezing chemicals, and other related chemicals. We are the leading supplier for calcium chloride, xanthan gum, bromides, Bentonite API standard in China. Besides, We are currently supplying and exporting more than 20 varieties of products in four categories with reputable quality. We maintain stringent quality control programs and observe international codes and practices, and are thereby able to cater to our clients, satisfactorily.