Kunshan Dinghui Refine Chemical Co.,Ltd. is located in Kunshan economic development zone. We are quite near Suzhou and Shanghai. We have experienced great development since 1986. Now, we produce 500 tons Methyl p-tolyl sulfone, 1,000 tons Hydantoin every year.

Our goal is customer satisfaction. Product quality is our number one priority. Our quality is better than the same products, thus our products have been well-received by the customers. At the end of 2001, we received the certification of ISO9001 quality system. We will win the victory of market competition.

quality certification

Sanitation license