Hanoi, April 3 -- Singapore (VNA) - Singapore is set to lift its 27-year ban on imports of pork blood products, paving the way for their return to its market. In a circular, the Singapore Food Agency (SFA) said it had approved the import of heat-treated pork blood products from Thailand's Bangkhla Pig Slaughterhouse after food safety assessments. The agency said that each consignment must be accompanied by an official health certificate issued by Thailand's Department of Livestock Development to certify that the import complies with animal health and food safety requirements in Singapore. The agency also stressed that pork and pork products can be imported only from SFA-approved sources. CP Foods Singapore will be the importer of the pig bl...