THE Bureau of Immigration ( BI) deported at least 312 Chinese workers involved in telco fraud.The Chinese were part of the 512 foreigners nabbed by the agency last month 'in a massive raid of a Business Processing Outsourcing office in Pasay City.'According to BI Commissioner Jaime Morente, operatives raided on October 9 an office in the Millenium Building in Pasay and hauled at least 512 aliens reportedly linked to scamming operations.BI Intelligence chief Fortunato Manahan, Jr. said aside from the Chinese, also arrested were Burmese, Malaysians, Vietnamese, Taiwanese, and Indonesians.'They will be deported today (Thursday) and we are very much thankful to the NCRPO (National Capital Region Police Office) for assisting us in this operation,' Manahan said in a statement.Manahan added the foreigners were temporarily taken into custody by the NCRPO and held in a facility in Camp Bagong Diwa, Taguig prior the deportation.Also leaving with the 312 are 21 minors whose custody were turned over to the Chinese embassy upon determination of their age, the BI said.It added that the passports of the deportees have been canceled by the Chinese government, making them undocumented aliens.The rest of the illegal aliens will be transferred to the BI Warden Facility pending the issuance of their deportation orders and clearances, the BI said.