HENG XIN INDUSTRIAL AND TRADING LIMITED

HONG KONG LONGTERM INVESTMENT HOLDING COMPANY LIMITED

Doorl Co., Limited

ABACO TRADING COMPANY LIMITED

KAI YEE INDUSTRIAL LIMITED

KEYE TRADING COMPANY LIMITED

KEEP CROWN INVESTMENT LIMITED

CHINA HUANGDINEIJINGNEIDONG TAIJI ANTI-CANCER RESEARCH INSTITUTE LIMITED

POWER GLUE INTERNATIONAL LIMITED

COMPTAPLUS LIMITED

Hong Kong and Malaysia Limited