共有 9 間公司以「香港 九龍旺角彌敦道610號 荷李活商業中心 9樓913室」為註冊辦事處。以下為詳細名單。
9 間公司
Ting Hei Engineering Limited
Crown Lee International Holdings Co. Limited
Hua Prosperity Capital Co. Limited
HENG JING ENGINEERING LIMITED
Fish Big Investment Limited
DATIAN INTERNATIONAL COMPANY LIMITED
Joint Engineering Services Limited