On July 30th, Shijiazhuang Bailong Chemical Co., Ltd.'s phthalic anhydride quote is 6900 yuan/ton. The specifications of phthalic anhydride include: grade: premium quality; purity: ≥99.0%; color (Pt-Co), number: ≤150. The validity period for this quote is three days. The quote provider is Shandong Yushuo Chemical Co., Ltd.