China Zhenhua Group Qunying Radio Appliance Factory was established in 1966 and is the key enterprise of developing and manufacturing Sealed Electromagnetic Relays for aviation and aerospace in China. Our factory has a group of excellent engineers and accumulates abundant experience in the field of relay's manufacture and management.

We adopt advanced techniques in making TO-5 Sealed Electromagnetic Relays and contactors. Our technique is advanced in domestic market.

Our enterprise has built a sealed electromagnetic relay production line which is the only one that carries out military standard in China. Now we can produce 46 series of TO-5 sealed electromagnetic Relays. Our technology indexes can reach American military standard. The reliability grade can reach M and it is equal to MIL-R-39016. We also built a highly powered time relay production line which adopts American military standard.

Our strategic direction is "Differential positioning, Professionals do fine". Our management idea is "customer first, high quality products". We will offer the best service and excellent products to all customers.