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Siwei Development Group Ltd. was a modern enterprise, we are mainly engaged in the development, trade and independent import and export business of hi-tech products such as pharmaceutical materials(APIs),amino acids, etc. With quality products and sincere service, we look forward to be a trustworthy partner of you!

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Rm2-2-503 Zhongdingyuan Xianghurenjia Wenyan Xiaoshan Hangzhou China

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