J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Beijing xinyanhui pharmaceutical research and development co., LTD
Telephone 13969155946
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Block Chemical Technology (Shanghai) Co., Ltd.
Telephone021-20432219 13918097649
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Beijing Haite lesk Technology Co., Ltd
Telephone15210893940; 15116916250
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Nanjing Shizhou Biology Technology Co.,Ltd
Telephone025-85563444 15850508050
Websitehttp://www.synzest.com