Our company since its inception, always regards product quality as enterprise life, continuously improve production technology, improve product quality and continuously strengthen enterprise total quality management, in strict accordance with the national standard ISO 9001:2000 for Digital Chlorine Dioxide Sensor for Waste water RS485, Food Ph Tester, Residual Chlorine In Water, Orp Redox Meter,Diy Conductivity Sensor. We welcome new and previous clients from all walks of lifestyle to get in touch with us for long term business relationships and mutual accomplishment! The product will supply to all over the world, such as Europe, America, Australia,Buenos Aires, Turkmenistan,Slovakia, Amsterdam.With strong technical strength and advanced production equipment, and SMS people purposefully , qualified, dedicated spirit of enterprise. Enterprises took the lead through the ISO 9001:2008 international quality management system certification, CE certification EU ; CCC.SGS.CQC other related product certification. We look forward to reactivating our company connection.