the company is integrated "nanning yolong technology co.,ltd after the strategic transformation in 2013.the development orientation of the new company is clearly positioned on focusing on the r&d and manufacturing the high-frequency high-voltage generator.it is committed to expand the international marrket of relevent fields. the company has established the strategic policy of " independent r&d, production and sales intergrated operation",and the china's first 22.5kw x-ray high-frequency high-voltage generator lauched in october 1997. this project was listed in the national torch program projects and the state's key new product projects, and it breaking the monopoly of technology and market of similar foreign products in china. the company's product technology and professional reputation have always been in the leading position in the whole country. at present, the product sales have covered 32 provinces, municipalities and autonomous regions.we are becoming the largest supplier of high frequency high voltage generator of china.