Manufactured in China for Angola. Fabric is a thin poplin and the cut is very similar to Type 87 uniforms in use by the Chinese PLA at the time (Chinese version does not have lower zipper pockets). Lower zipper pockets are separate from the larger flap one they were placed on top of.
Also used by the armed wing of the ANC (African National Congress), uMkhonto we Sizwe (MK). Nelson Mandela, one of its founders and commanders, is shown wearing the same model jacket below: