Xingliang Yu 中国北京市 (Distance: 12239 km) CTO, sinosoft Products: Ext JS, Architect Skills: JavaScript, Java, CSS, Sass/Less, Jasmine, JavaScript Unit Testing Education: PH.D. Contact Developer Print Last seen 6 years ago Endorsements Log in to add your endorsements. Ext JS+ xingliang yu Architect+ xingliang yu JavaScript+ xingliang yu Java+ xingliang yu CSS+ xingliang yu Sass/Less+ xingliang yu Jasmine+ xingliang yu JavaScript Unit Testing+ xingliang yu