KISUMA (Dandong) Advanced Materials Tech. Co.,Ltd. was established in July 2002，formerly known as Dandong Songyuan Chemicals Co., Ltd. It is now a wholly foreign-owned enterprise invested by Kyowa Chemical Industry Co., Ltd. The company is located in Donggang Economic Development Zone Liaoning Province at the east end of Liaodong Peninsula, covering an area of 121796㎡, registered capital of 2.5 billion yen.