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    3. Quality control

      Quality policy: We'll offer the customers with stable and reliable quality.

      Quality promise: We'll offer most satisfying products and services
      Zhejiang Deqing Yinyuan Biotechnology Co. Ltd. owns a special Q.C. Dept. which is equipped with advanced inspection devices and complete testing methods. And our strong Technical Development Dept. can provide powerful technical support for the Q.C. Dept

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