Midwest Group instruments and chemicals  is started 1988, with over 10,000 suppliers, 300,000 customers, and 1,000,000 products. 

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Tel: 0086/010-68732920   Mobil: 13301328326   Fax: 0086/010-68453880   Add: Midwest, No.1, 3rd. Street, Shangdi, , Haidian, Beijing,China,100085 
 Mailto: ziyu@midwest-g.com   Email£şzxqc92003@yahoo.com.cn;   jz123@midwest.com.cn