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Estradiol USP28

Remark:

Kingfirst is sole Purchasing agent in China area representing Italian manufacturer, STEROID. S.P.A. If you are producer of Estradiol and meanwhile you are able to meet the below requirements, please recommend your company and your product to us actively.

1. Chinese GMP certification

2. Three different batches samples are approved by customer.

3. Accept customer's audit

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