Company Name： Shenzhen Huazhenglian Industrial Co.,Ltd.

Address：Building L, Jihua Zhigu, No. 2 Bayue 2nd Street, Jihua Street, Longgang District, Shenzhen, P. R.China

TEL：+86-4008 305 322

FAX：+86-755-8359 5826

Company Name：International Security Technology Limited

Address：Room 2211, 22/F, WestTower, ShunTak Centre, 168-200 Connaught Road Central, Hong Kong.

TEL：+852-2997 7878

FAX：+852-2997 7808

Company Name： International Security Technology Limited (Macau)

Address：16/F, Building B of Jingao Business,No. 367 Nanao Road, Macau