haiyakun on intelligent technology co., Ltd. was established in 2009, is specialized in instrumentation, industrial automation products, research and development, production and sales of businesses. the company mainly produces flow switches, flow meters, pressure switches, pressure transducers, temperature switch, temperature transmitters and other industrial products. the company's strict compliance with ISO9001 certification, with outstanding quality to do product research and development, production, debugging. efforts to create value for customers.undefined。