China: Tel: (755) 2772 8549 Fax: (755) 2772 7936 Email: ray@yaubon.com Address: Bogang Industrial Zone 1, Bogang, Shajing, Baoan, Shenzhen, China. HongKong: Tel: (852) 2562 8163 Fax: (852) 2811 1263 Email: ray@yaubon.com Address: 1/F., Flat A, Cheung Wah Ind.Bldg., 12 Shipyard Lane, Quarry Bay, Hong Kong.