Pass ISO 9001 certification, best durability and water proof wires, motor protector, water lubrication bearing, and fixed coil sealed in stainless steel to completely security and prefer quality.
Motor adopts class B coil and impregnated by EPOXY, avoid the mist goes into the coil, leakage proof and moisture proof requested.
Fully stainless steel SUS#304 enclosure, rustiness free, water pollution free.