Gold Suppliers > Zhejiang Chempharm Industry & Trading Co., Ltd. > 3,3-Pentamethylene-4-Butyrolactam
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- Region :Agrochemicals
- Tel : 86-571-87701568
- Fax : 86-571-87701700
- Email :export@chempharm.cn; shen@chempharm.cn
- URL :www.chinachempharm.com
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3,3-Pentamethylene-4-Butyrolactam