Guilin Sanjin Pharmaceutical Co., Ltd.

Eton Pharmaceutical

United States

Ultragenyx Pharmaceutical

Chile

SANTEN PHARMACEUTICAL CO., LTD.

Japan

Samjin Pharmaceutical Co., Ltd.

South Korea

Nanjing Sanhome Pharmaceutical Co., Ltd.

China

Tianjin Hemay Pharmaceutical Co., Ltd.

China

TAIWAN SANTEN PHARMACEUTICAL CO., LTD.

Taiwan

Santen Pharmaceutical (China) Co. Ltd.

China

Biomarin Pharmaceutical

Canada