To pre-screen high risk containers , the Directorate General for Customs and Excise has already utilized Container X-ray scanning machine and acquired 3 ( three ) radio active detectors and 2 ( two ) Itemizers as well as the installment of Close Circuit TVs ( CCTC ) in a number of Ports . c. Promoting private-sector adoption of high standards of supply chain security Several measures have been introduced to encourage participation and involvement of relevant stakeholders , which include the establishment of a Customs Advisory Committee comprising related public and private sectors ; the signing of a number of Memorandums of Understanding ( MoUs ) with a number of Importers and Exporters Association , Ship Owners Associations and Forwarding Company Association ; as well as the establishment of an inter-agency level Liaison Channels between the private sector and law enforcement agencies .