At present, the company has already become the cooperative partners of domestic and international known enterprises, such as IBM, Tsing-Hua University, Microsoft, Sun, etc..
目前，公司已成为IBM、清华大学、Microsoft、Sun等国内外知名企业的合作伙伴。
SUN Xue-hua et al(College of Chemistry and Chemical Engineering; Yan'an University; Yan'an; Shaanxi 716000);
延安大学化学与化工学院；
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