<video id="q8daz"></video>
            1. Shanghai Holdenchem CO.,Ltd.

              上海浩登材料股份有限公司

              Shanghai Holdenchem CO.,Ltd.

              Supplier of special and functional chemicals

              Supplier of Fortune 500 companies

              Mobile version_Shanghai Holdenchem CO.,Ltd.

              Categories

              Contact us

              Shanghai Holdenchem Co., Ltd.
              Hotline: 400-011-7633
              Fax: +86-21-62112613
              E-mail: sales@holdenchem.com

              Polyurethane catalyst

              NO. Product name CAS NO. Molecular formula
              1 Imidazole 288-32-4

              C3H4N2

              2 1-Methylimidazole 616-47-7

              C4H6N2

              3 1,2-Dimethylimidazole 1739-84-0

              C5H8N2

              3 Records

              GO
              TOP

              无码精品人妻内射_欧美成人看片一区二三区_亚洲国产欧美日韩另类_日韩Av免费一级毛片