Chun Lee Engineering Co Ltd
Chi May Engineering Co.
Hang Chi Plumbing Engineering Limited
Po Shing Water & Electronic Limited
Chin Hung Engineering Company Limited
Chun Sing Water Maintenance Limited
Hung Fat Plumbing & Engineering Company
Lam Chi Kee Plumbing Drainage Eng., Co.
On Tai Waterworks Engineering Company Limited
Shun Hing Water Works Engineering (HK) Limited
Tin Wai Plumbing & Engineering Company Limited
Po Shing Water & Electronic Limited,寶聲水電有限公司
Po Shing Water & Electronic Limited
Tel: (852) 98068278
Fax: (852) 21749096
Address: Flat 04, 12/F, Po Yan House, Po Lam Estate, Tseung Kwan O, N.T.
寶聲水電有限公司
電話: (852) 98068278
傳真: (852) 21749096
地址：新界將軍澳寶林邨寶仁樓1204室