At present, the main transaction price of C5 petroleum resin for road sign paint is 8200-8600 yuan / ton. On Monday, the prices of each company were lowered. The low-end price reached the heart price of some downstream purchasers. Some downstream companies were bargain hunting. The sporadic resin manufacturers did not accept the orders temporarily before May Day holiday. The resin manufacturers had obvious intention to stabilize the prices. It is expected that the prices before the holiday would be weak, consolidated and dropped sporadically. C5 for adhesives In the petroleum resin field, only the mainstream manufacturers maintain the supply, and the supply is rare, while the downstream operation rate is low, and the bargaining power is enhanced. The transaction price of C5 petroleum resin for styrene modification and general adhesive in China is 11000-13300 yuan / ton, with preferential negotiation.