The average export price of rubber in the first four months of 2017 was US$2,016 per tonne, a year-on-year increase of 68.8 per cent. SEE MORE China's state-owned and independent refiners plan to boost their combined refining capacity by 14% by the end of 2020, but given the oversupply of products in the country, expansion plans are likely to move at snail's pace, delaying some of the projects. SEE MORE Output of natural rubber (NR) in the country last month, the first of the current financial year, showed a rise of 23.1 per cent from the same period a year before, at 48,000 tonnes from the earlier 39,000 tonnes.. SEE MORE Oil traded below $50 a barrel after OPEC underwhelmed investors with its production-cut extension deal. SEE MORE Oil prices dipped on Monday as a relentless rise in U.S. drilling undermined an OPEC-led push to tighten supply. SEE MORE