On October 22, HuaLu Hengsheng's bid for isopropanol is 6300 yuan/ton. The specifications of isopropanol are "HuaLu Hengsheng ≥99.5% HuaLu Hengsheng". The validity period of the bid is one day. The bidding provider is Shandong HuaLu Hengsheng Chemical Co., Ltd.