Teach you some tips on installation of 24V channel-changing sluice and Qingdao channel-changing sluice

One characteristic is that when choosing the gate, there is a characteristic, that is, whether it is produced by the factory itself, of course, this should be confirmed by oneself in the factory, because many manufacturers do not produce the gate themselves, but only do assembly, assembly is assembly! It's not very good in workmanship! ___________