Adjacent benzene is general-purpose colophony 290, double-loop (DC) the hand papers colophony 440, man-made stone / stone stone colophony 240, pull crowded colophony 280, twine structural layer colophony 200, twine a benzene liner colophony 280, colophony of NPG mould pressing 320, colophony of DPG mould pressing 440. Value of raw material market rises considerably, colophony price continues to move 300 yuan- - 500 yuan. Market of this week raw material falls to go up considerably again in the action of all sorts of elements raise. Especially third 2 alcohol and suitable anhydride rise in price range is bigger, styrene is small rise. Suffer environmental protection pressure and effect of stop production overhaul, northern region is many DMC factory is forced stop production, cause its thereby by-product third 2 mellow spurt in prices; Suitable anhydride is exporting a foundation to go up in great quantities, value of market of sale in domestic market rises continuously; Styrene squashs in pure benzene and ethylene perch fall to be in deficit generally position of small perhaps interest, device of partial blame unifinication is forced reduction of output. Look on the whole, at present of raw material price rise be not is downstream demand growth helps the result that use, however ability of upriver market supply drops brought influence. This among them, local government of northern part district is misinterpret policy of ” of “ double carbon, limit company production forcibly, brought very abominable influence to the market. Besides, fall in the round suddenly two days ago accurate, bring huge exciting action to heavy goods market, the road that all sorts of chemical product return that cause early days to had entered next falling tone to make a passage likely thereby rise. The cost pressure of downstream market of early days UPR appears in UPR and Bo fine price just get below the circumstance that become loose preliminary alleviate, UPR price rebounds continuously again now, will make downstream client weighs fall loss condition. From at present the situation looks, epicycle rises in price to arrive continuously likely by July at the beginning of August. And on the other hand, because at present whole economy has appeared,apparent sluggish bilges pattern, downstream demand is apparently abate, at the same time industry of upriver raw material will have a large number of new increase production to be able to put in the market after 3 quarters, accordingly, epicycle rises in price to whether can last to August after the middle ten days of a month, still need farther observation at present. " experience introduction " : The downstream client of UPR is more very with export or project kind the market is relevant, accordingly downstream user often hopes to be in accept the order when can will export order for goods or one-time all lock decides the UPR amount that project order place needs and value, but the force with upriver market because UPR industry is right enough lack and control force, the price of UPR factory can passive follow of price of upriver raw material change and undertake adjustment. Accordingly, every time UPR price appears relatively during changing substantially, create the contradiction between UPR factory and downstream user easily. Divide the experience of the enterprise according to eye forehead, good means of settlement is UPR produces factory and downstream client to undertake deepness bind, the interest shares everybody, the risk is carried together, who doesn't blame. Particular way is: In sign gross contract when, sign a price to change adjust methodological clause, namely basis " colophony price index " the price index that publishs is fluctuant extent, both sides assumes price index severally 50% of fluctuant part, calculate every week the price, implement the price actually as what delivering goods day is in a week. The practice of partial enterprise proves, this kind of method not only fairness is reasonable, and those who have the price but foresight, need not both sides delivers goods every time want bargain. This experience consults for everybody.