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WhatsApp：(852)5410 5197

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查詢電郵：sales@kwaisau.net

網站主頁：www.kwaisau.net

服務時間：逢周一至周五早上九點至下午六點；周六日及公眾假期休息。

Office hours: Monday to Friday, 9 am to 6 pm, 

         Closed on Saturday, Sunday and public holidays.

詳細地址：香港九龍觀塘開源道64號源成中心21樓7室       

Address: Unit 7, 21/F, Yen Sheng Centre, 64 Hoi Yuen Road, Kowloon East, Hong Kong SAR