Our direct customers are mostly main contractors of various types of building and infrastructure projects in Hong Kong. Our projects can be further categorised into public sector projects and private sector projects. Public sector projects refer to projects which the main contractors are employed by the Government or statutory bodies while private sector projects refer to those that are not public sector projects.  Our five largest customers (in terms of revenue) had long-standing business relationship with us for approximately 1 to 13 years and we will therefore endeavour to accommodate their demands for our services to the extent our resources allow in order to capture more opportunities for larger scale projects in the future.