Shanghai Feejoy is one of leading manufacturers specialized in field instruments of industrial control.Our company owns a team of high-standard IT, engineer and skillful machining operator. We are using advanced producing and testing machine from overseas which ensures improvement and optimization of our products.And products have been through the approvement of ISO9001: 2008, BV Certificate, CE certificate, Explosion-Proof Certificate, RoHS Certificate etc. We can supply the kinds of Float Level Swich,Level Measurement,Transmitter,Level Sensor and others level controller.