10/11/2017, Hubei No. 7, No. 8 and No. 9 Chemical Co., Ltd.'s quotation for formaldehyde is 1700 yuan per ton, with a specification of 36.5-37.4% content. The validity period of the quotation is 7 days. Quotation provider: Hubei No. 7, No. 8 and No. 9 Chemical Co., Ltd.