AOS 有机合成催化 优等品 沸石beta 醇类脱水 酮类加氢 精细化工 纯度高

Address:Aosi Catalytic Materials (Dalian) Co., Ltd., No. 32-155-3, Qiudi, Longwangmiao Village, Youyi Street, Jinzhou District, Dalian City, Liaoning Province
Tel:15840802323