Ho tloha 2004 ho fihlela joale, lilemong tse fetileng tsa 9, Petroleum Resin Ke bone ho fetoha ha litheko ho tloha ho C5 lihlahisoa tse tala ho lihlahisoa tsa petroleum resin. Ka nako eo, thepa e tala ea carbon e ne e le 3,600 yuan/ton, petroleum Resin petroleum resin e ne e le 8,000 yuan/ton, Petroleum Resin mme theko ea lihlahisoa tse felileng e ne e le habeli theko ea thepa e tala. Ka nako eo, kutloisiso ea lapeng ea petroleum resin ea petroleum resin e ne e sa lekana, hobane basebelisi ba bangata ba ne ba ntse ba tloaetse ho sebelisa rosin. E bile feela hamorao moo rosin e ileng ea hlokofatsoa ke likoluoa tsa boemo ba leholimo 'me tlhahiso ea rosin e ile ea eketseha. Li-resin tsa peterole li ne li amoheloa haholoanyane 'marakeng oa machaba. Batho ba bang Chaena butle-butle ba ile ba leka ho nkela rosin sebaka ka li-resin tsa petroleum ka mokhoa o sa fellang kapa ka ho felletseng. Ho molemo ho feta rosin.
Karolong ea bone ea 2011, theko ea petroleum resin e ile ea theoha haholo. Rosin e theohile ka tlase ho 10,000 yuan, Petroleum Resin e theohile ho feta 50%. Theko ea mantlha ea petroleum resin ke 11,800 yuan/ton. Leha ho le joalo, Petroleum Resin theko ea hajoale ea thepa e tala ea C5 e lula e le theko e phahameng ea 8,000 yuan/ton. Theko ea sehlahisoa ke Theko ea thepa e tala ke makhetlo a 1.5. Batlisisa mabaka a ho fokotseha: 1. Eketsa tlhahiso ea rosin ka 2011. 2. Mathata a likoloto tsa Europe. Export e nka boemo bo ka sehloohong ba thekiso ea rosin. Theko ea selemo le selemo ea rosin le rosin resin linaheng tse tsoetseng pele Europe le Amerika e fihla ho lithane tse ka bang 370,000. Sekoloto sa Europe ka kotloloho se lebisa phokotsong e kholo ea rosin e romelloang Europe le United States.
Boemong ba theko ea hajoale ea oli ea machabeng, ha ho khonehe hore thepa e tala ea C5 e oele, Petroleum Resin e behang litšenyehelo tse felletseng tsa resin ea peterole. Haeba theko ea petroleum resin e ka tlase ho 11,000 yuan/tons, Petroleum Resin khoebo e se e le mothating oa tahlehelo. Ho joalo le ka rosin. Ho latela mehloli e tsoang indastering ea meru ea Guangdong, litšenyehelo tsa tlhahiso ea rosin li kenyelletsa: rente ea lifate, ho ntšoa ha resin, rosin ho ea thepa ea feme, Petroleum Resin hammoho le taolo le tahlehelo, mme theko ea rosin e kene ka botlalo nakong ea li-yuan tse 10,000. Ka mantsoe a mang, Petroleum Resin haeba theko ea rosin e ka tlase ho li-yuan tse 10,000, khoebo e tla lahleheloa ke chelete. Kajeno, kamano e ncha lipakeng tsa rosin le petroleum resin e batla e tsebahala haholo ke lifeme tse ngata tse tlase, Petroleum Resin le litheko tsa phepelo le tlhoko ea tse peli li amana.
