Keyopo ,A Leading Manufacturer Specializing in solenoid valve that designs and manufactures custom solenoid valve for the construction industry, agriculture industry, automobile spare parts industry and others. Since our beginning in 1986 we have focused on our customers’ needs for durable and reliable, high –quality products intended for long-life applications.


Over 30 years, we have been assembling solenoids as well as manufacturing all components of solenoids as a leading manufacturer specializing in Solenoids in China. We have a whole manufacturing process of a solenoid in house as our strength so that we have no outsourcing cost on our price. That enables us to provide high quality “China made” solenoids with lower price and more flexibly to our customers all over the world.


Consistent high quality is critical to the safety and reliability of our customers’ products.  Keyopo has maintained continuous ISO certification since receiving initial approval in 2000.  Currently certified under ISO9001:2008 ISO140001 standards, we operate with controlled processes, procedures, and systematic auditing.


Our work culture is compelled by a desire to continuously improve everything we do every day, for each other and for our customers. If you are new to Keyopo, please know that we value your interest and we will do our best to earn your business.