Datumstruct (HK) Ltd Address: Datumstruct (HK) Ltd, 135 Hoi Bun Road, Kwun Tong, Hong Kong S.A.R., ChinaContact person: Stephen Brian BacolorWebpage: https://www.datumstruct.com/E-mail: sales@datumstruct.comPhone: (852) 2802 6948 Fax: (852) 2802 6958