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TONHE is a manufacturer in China specialized in mini motorized shut-off ball valve (1/4"~2''). And valve actuator which are approved CE certification and SS valve approved NSF61 international certification.
We buy a PICC insurance for our products in 2016. I believe they are more reliable and guaranteed for your customer or the user.
Our company also approved SGS ISO9001 in 2013.
Tonhe series straight-through motorized valve, has compact size with smart shape, perform reliably, with long life time, intelligent control, high torque actuators, low noise, no leak, and many other features.

Pls confirm the above different versions of actuators