Shanghai Tongwei Biotechnology CO., Ltd

we are Tongwei biotechnology CO., Ltd in China,we supply humic acid, fulvic amino sodium nitrophnolate,DA-6 etc. with good quality and competitive price. please contact us to know details. contact: cici tel:86-21-62723196 fax:86-21-62723196 e-mail:xxxxx ...
Telephone:86-21-62723196 Address:JIAOZHOU, shanghai, shanghai, China
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