Com-Mart Technologies Co. Ltd.Com-Mart Technologies Co. Ltd. is a door access reader manufacture with our own R & D team to provide direct or OEM ....Address:Rm5,3/F., Siu Wai Centre,29-33 Wing Hong Street, Cheung Sha Wan, KowloonBeston (hk) Ltd.We are a leading exporter and manufacturer in producing professional time equipment located China Hong Kong. ....Address:Rm 1119, 11/F, Metro Center, 32 Lam Hing St 1