Namibia Exports of roofing tiles, chimney-pots, cowls, other ceramic constructional goods to Zambia was US$720 during 2018, according to the United Nations COMTRADE database on international trade. Namibia Exports of roofing tiles, chimney-pots, cowls, other ceramic constructional goods to Zambia - data, historical chart and statistics - was last updated on May of 2024.