Baoji Zhihan Mechanical Technology CO.,Ltd is a high-tech technology company, integrating R&D, production, sale and service, lies in Baoji High-Tech Science and Technology Park. Our company has high ability of research and development, already won a number of invention patents and patents for utility design. Besides, we own the independent intellectual property rights of core technology. It passes the certification of ISO9001:2008 international quality system and the certification of CE. Under the supports of government and the help of welding laboratory of Tsinghua University, our company developed a series of high-tech technologies, including welding power source, digital intelligent electric welding machine, digital intelligent welding control way of single drop current transfer equilibrium, application of auxiliary ultra wide large power supply, international and domestic general use adaptive power supply with super large power etc. well spare no effort to supply advanced technology, high quality products and services to the industries of welding, military equipment, shipbuilding and flow operation.