SunSirs: China NBR Market declined slightly in November

　　In November, the market price of NBR declined slightly. According to the monitoring of SunSirs, the price of NBR was 24,900 RMB/ ton at the beginning of November and 24,575 RMB/ ton at the end of the month. At the end of November, it fell by 1.31% compared with the beginning of the month.　　The supply…