Ningbo Kejian Instruments Co., Ltd which is a professional manufacturer mainly producing high quality ultrasonic heat meters, mechanical heat meter, cold water meter, hot water meter, calorimeter and all kind of meters manufacturing.

Our company adopts the most advanced equipments for checking the accuracy of the heat meters. We pay much attention to every steps of producing the products. "Quality is our main concern"

Many years of continuous efforts gain us a very good reputation in overs seas and local markets. Nowdays, we are looking forward to build sincere business relationship with our clients