Shaanxi SK electronic technology company is a high-tech enterprises, Located in Xi 'an high-tech industrial development zone.SK rely on xi 'an universities of science and technology resources, committed to liquid level gauge's research and development for petroleum, chemical industry, pharmacy, electricity, metallurgy, military industry, storage Etc. SK Company dives in the study of Sonar technology, actively explore the technology and apply it to the industry automation control field. Three new products have been widely used in kinds of market, the two-wire external liquid level indicator, the four-wire external liquid level indicator and external liquid level switch. All these three products' capability has reached the international standard. Especially the two-wire external liquid level gauge is the first type in the world. We based on the customers requirement, provide the high quality product and service, aim to improve customer satisfactory and create the most value for our customer. In line with the concept of integrity, specialty and efficient, human concerted, self-independent innovation, Dedicated to be the influential high tech enterprise in the industry automation control field in China.