Polyester filament yarn market remained firm and prices went up this time in USD based Asian market in line with other polyester products. Polyester filament yarn market remained stable during the second half of this last fortnight in the Chinese domestic market due to Spring Festival holidays. The Chinese polyester filament yarn markets stabilised with stable price during the week. During the first half of this last fortnight, polyester filament yarn market was quite due to Lunar New Year holidays.