Ti domestiko a natural a goma ti Tsina ket adda iti kasasaad ti short supply. ngarud, sakbay a saan a naan-anay a mairuar dagiti natural a goma nga aggapu, ti domestiko a natural a suplay ti goma ket addaan iti maysa a naikeddeng nga epekto kadagiti natural a presio ti goma ti Tsina a ..
Nupay kasta, idi nakikadua ti Tsina iti WTO, no kasano a tinungpal ti gobierno dagiti panagkumit ti WTO ken dagiti nabaliwan a pagalagadan ti panagangkat ken panageksport ket nagbalin a napateg a banag a mangapektar kadagiti natural a goma nga importasion ti Tsina ken uray pay dagiti natural a panagbalbaliw ti presio ti goma. Ti Tsina ket mangipatungpal kadagiti "dua a sertipiko" para iti panagala ti natural a goma. ti espesipiko a linaon ket: Imported Natural a goma a mairaman dagiti paset ti panagproseso (Zero a taripa, zero quote ket saan a maipalubos iti 1, 19 a quote, 19 a quote, 19 a quote ket saan a maipalubos iti 1, 19 a quote, 19 a quote) 29), zero quote ket saan a maipalubos iti October, 19, 19 a quote, saan a maipalubos ti pannakaipatungpal ti 1, 29 a linaonna, 19 a quote) and uses, 5% tariffs in 1997 and 1998, 10% in 1999) and general trade (25% before 2000). The processing part and the double limit are called tax reduction and exemption. The customs track the natural rubber imported in these two ways, and monitor its flow and use. Only the general trade part can enter the circulation market and can participate in the futures market. Delivery. From January 1, 2000, the state officially established the "in-quota tax rate" for imported natural rubber. Such tax rates are fully tax-paid. Since 2002, the tariff within the quota is 20%, the tariff rate for the additional MFN is 25%, and the general tariff rate for the license is 40%. Manipud idi 2004, ti estado ket kinanselarna ti panagmanehar kadagiti natural a goma a quota. bayat nga in-inut a maamiris ti Tsina dagiti panagkumitna iti WTO, ti estado ket mabalin nga addaan kadagiti sumagmamano a panagbalbaliw kadagiti probision iti ngato..
Another factor that cannot be ignored is the impact of smuggling natural rubber. In recent years, Vietnam's export of natural rubber to China is on the rise, and the number of exports to China announced by Vietnam is quite different from the number of imports from Vietnam announced by China's customs. The reason is that some natural rubber enters through smuggling. China's market, this will undoubtedly have a certain impact on the market price of China's natural Goma..