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Phone: +86-21-67602359 | Fax: +86-21-67602387 | Sales: +86-21-67602359-8012 | Email：fuyun_123@hnkeyuan.com

Shanghai Natural Bio-engineering Co., Ltd　Hunan Keyuan Bio-products Co., Ltd

46#, No. 1500 Xinfei Road, Songjiang Industrial Zone, Shanghai201611, China, 　Power by:hongqi

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