SunSirs: China NBR Market declined slightly in December 2021

　　In December 2021, the market price of NBR declined slightly. According to the monitoring of SunSirs, the price of NBR was 24,575 RMB/ ton at the beginning of the month and 24,100 RMB/ ton at the end of the month. At the end of the month, it fell by 1.93% compared with the beginning of…