For Sales:   Kenn Lim Sales Director Phone : 9639 8822 bts2002@singnet.com.sg Susan Chua Sales Manager Phone : 9755 5559 susan@bts-industries.com  ................................................. For Customer Service:   Betty Khoo Customer Service Manager Phone : 9639 8811 btssales@singnet.com.sg Maricar Montezon Customer Service Executive Phone : 9755 5557 css@bts-industries.com  ................................................. For Billing Information:   Peggy Li Accounts Executive accounts@bts-industries.com  ........................................................................             By Phone : +65 65668377                 By Fax : +65 65663033                 By Email : bts2002@singnet.com.sg                 By Post : 40 Toh Guan Road East, #01-69 Enterprise Hub,   Singapore 608582