Tyre Price going to increase after a long time decrease

Major Raw Materials Price Index in 2016
Unit: /Ton
ItemJanFebMarAprMayJunJulAugSepOctNov(estimated)
Natural   Rubber PriceUSD)1,131 1,120 1,322 1,510 1,416 1,315 1,329 1,344 1,490 1,650 1,700
Synthetic   Rubber PriceRMB)8,082 8,309 9,721 11,082 11,076 10,200 10,681 10,973 12,149 14,856 14,912
Carbon   Black PriceRMB)3,947 4,011 3,766 3,995 4,845 5,101 5,101 4,757 4,870 4,901 4,841
Steel   Wire PriceRMB)9,185 9,126 9,185 9,711 9,773 10,350 10,350 10,363 10,722 10,665 10,769