摘要
SBRIn early June 2009, because of the price riseof crude oil in the international market,Sinopec Corp. lifted its quoted prices of SBR(styrene-butadiene rubber), so China’s SBRprices increase considerably.In mid-June, in spite of the price rise ofraw materials, the demand for SBR in down-stream sectors was slack and supply in-creased because PetroChina Lanzhou Pet-rochemical Co., Ltd. resumed productionof its SBR unit after overhaul, so the priceof SBR fell gradually.As of June 25th, China’s prices of rosin