“Innovation. Preciseness and  Diligency”is our attitude on technology research.Cosin spend more than 10 million CNY on technical research center and lab building.our lab was awarded as provincial township business technical service centre and enterprise technical centre in rovince, test centre and laboratories which are for tests of machinery, physics and chemistry, withstanding pressure and partial discharge, and heat cycle. There are many advanced apparat- uses in the laboratories, including metal analyzer, multifunctional infrared analysis equipment. And Cosin keep supply 10 more new products or new technology every year. There are 20 products have patent of china,and 3 series products was named”economize & environment “designation by government. And cosin was important participant of chinese electric fitting standard committee.