On November 29, Sinopec Qingdao Refining & Chemical Co., Ltd.'s quote for propane is 5600 yuan/ton. The specifications of propane are as follows: Propane, % (V/V) ≥ 95. The validity period of this quote is 3 days. The provider of the quote is Sinopec Qingdao Refining & Chemical Co., Ltd.