Chinney Kin Wing Holdings Limited is an investment holding company principally engaged in foundation construction and the provision of ancillary services for both public and private sectors in Hong Kong and Macau. The Company is also engaged in drilling and site investigation. The Company operates its business through two segments: Foundation Construction and Ancillary Services and Drilling and Site Investigation. The Companyâ€™s subsidiaries include DrilTech Geotechnical Engineering Limited and DrilTech Ground Engineering Limited. Through its subsidiaries, the Company is engaged in foundation piling.