AL CONCEPT LIMITED

KINGSMIND INTERNATIONAL TRADING LIMITED

KING LUCKY DEVELOPMENT LIMITED

COMMERCE RAIN LIMITED

HONG KONG EVER KING TRADING INVESTMENT LIMITED

Hongkong Adli Development Company Limited

HONG KONG GOLDEN BRIDGE BUSINESS GROUP LIMITED

HUAYANG PIPELINE MANUFACTURING CO., LIMITED

HI-YEN TRADING INTERNATIONAL LIMITED

BAO YAO HUAN JIAN IRON & STEEL GROUP LIMITED

ABLE DRAGON INVESTMENTS LIMITED