Although the temporary safeguard tax on imported DAP fertiliser is effective from August 19, the market price of this product has already increased sharply by a range of VNĐ1.5 million-VNĐ1.9 million (US$66-84) per tonne. SEE MORE Demand for naphtha in Northwest Europe waned slightly towards the end of the week with petrochemical end-users well covered over the next few weeks, according to sources, further easing supply pressures. SEE MORE Demand for olefins and other derivatives in the Asian petrochemicals market this week will likely receive a boost this week on plant outages. SEE MORE The US' role as a swing supplier into the Asian coal markets could be tested as the market regains its balance, a dry cargo chartering firm said Monday. SEE MORE China’s domestic supply of methanol is expected to exceed demand in the second half of the year, and keep the downward pressure on prices of the material. SEE MORE