Shui On Construction and Materials Limited(SOCAM). The Group's principal activity is investment holding. Its subsidiaries are principally engaged in construction and contracting, renovation and fitting out, manufacturing and trading of construction and building materials, property development, property investment and investment holding. The Group's operations are located in Hong Kong and other regions in the PRC. Construction & building maintenance accounted for 72% of fis 2002 revenues; property development, 26% and others, 2%.