On December 18, Dongying Huatai Chemical Group Co., Ltd.'s quoted price for p-phenylenediamine is 9,100 yuan per ton. The specifications of p-phenylenediamine include: Phenylenediamine mass fraction/% ≥: 99.4; Dry crystal point/℃ ≥: -6.6; Moisture mass fraction/% ≤: 0.1. This quoted price is valid for 3 days. The quote provider is Qingdao Hefeng Chemical Co., Ltd.