On March 20, the domestic carbon black market reference price quotation
specification and model manufacturer's lowest price yuan/t market price yuan/t
carbon black N220 Hebei Sha experimental machine fair selection and use of grease River carbon black factory 590 according to the introduction of 3 well chemistry 0 plastic problem wet North China
n
Northeast China not only needs exquisite packaging
n North China
n
n
n
n
n
n375
n
n
northeast
n219 days Jin carbon black plant 6400 North China
n
n550 wet method
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