| Beijing Comens YanShan Tech. Co., LTD, established in 1999 first as the Pharmaceutical Department of Beijing Comens Chemical Co., LTD., was started new firm in 2008.headquarters, R&D centre and marketing center is located at Zhongguancun-Silicon Valley of China. Our factory located in suburb area of Beijing, Its good geographical location gives convenience to transportation, it is close to Beijing-Shijiazhuang High Way and State Way NO. 107. Our company is professional chemical manufacturer...>>Learn More |
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