On January 29, the natural rubber raw material market in Thailand saw a price increase: smoked sheet was quoted at 61.90 THB/kg, up by 0.10 THB/kg; latex was quoted at 58.30 THB/kg, up by 0.30 THB/kg; and cup lump was quoted at 53.70 THB/kg, up by 0.10 THB/kg.