- Name:Hunan Astar Chemical Science Co., Ltd.
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- Address:Room 902 ,No.14 Building, Lane 50,Youqing Road, Minhang District, 201100 Shanghai, China
We , Hunan Astar Bio-chemical Technology Co., Ltd. founded in 1999 , we have been the leading producer of ethyl vanillin ,Vanillian, P-Hydroxybenzaldehyde (4-Hydroxybenzaldehyde ) , Methanedisulfonic ...
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