Used PET (Polyethylene Terephthalate or Polyester) polymerization and yarn spinning plant including the following units: (1) 42 TPD continuous polycondensation unit supplied by SINCO of Italy, (2) 31 TPD continuous polycondensation unit supplied by BEPEX of USA, (3) 9.5 TPD batch polycondensation unit supplied by Hitachi of Japan, (4) 7.5 TPD batch polycondensation unit supplied by OHL of Germany, (5) 5 TPDX 4 PET yarn spinning lines supplied by TMT Machinery of Japan. The PET yarn products are industrial grade of 1000 - 2000 denier.