共有 7 間公司以「G/F., 78 MA ON KONG, PAT HEUNG, YUEN LONG, NT HONG KONG」為註冊辦事處。以下為詳細名單。
7 間公司
GeneMix Construction Materials Co., Limited
LICHTMEN MORTAR LIMITED
SMART BUILDER (HK) LIMITED
PUTZPRO ENTERPRISE LIMITED
BUILDTECH ENTERPRISE INTERNATIONAL LIMITED
BUILDTECH ENTERPRISE LIMITED