On November 7th, Zhengzhou Zerun Energy and Chemical Co., Ltd.'s bid on cryolite is priced at RMB 8000/ton. The specifications of the cryolite are: molecular ratio: high polymer ratio cryolite; brand number: CM-0. The validity period of this bid is 3 days. The bid provider is: Zhengzhou Zerun Energy and Chemical Co., Ltd.