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              | We has focused on top quality steriod  hormones and APIs . We are manufacturer specializing in steroid hormones for several years in China. Now our products are sold all over the world,all customers like the quality of our products. |  |  
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              | Steroid powder, Steriods raw powders, Peptides, HGH  , finished products |  
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                      | Company : | Rongxin biology company |  
                      | Email: | Contact us |  
                      | URL: | ******** |  
                      | Phone: | ********* |  
                      | Fax : | ********* |  
                      | Country : | China |  
                      | Address : | ********* |  
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