HX INDUSTRY LIMITED

OGL INVESTMENT LIMITED

Hong Kong R&D Tech Co., Limited

Piping Systems Consulting Limited

PROSPEROUS FORTUNE INTERNATIONAL LIMITED

NOVA INTERNATIONAL (GROUP) HONG KONG LIMITED

MW WORKSHOP HK LIMITED

ALLIED BRIGHT (HK) ENTERPRISE LIMITED

INTERNATIONAL PROFESSIONAL EDUCATION INSTITUTE LIMITED

KEGO TECHNOLOGY LIMITED

KAI MAN INDUSTRIAL (GROUP) LIMITED