MPPT Solar Charge Controller has three stages (constant current, constant voltage, floating charge)charge mode, it prolongs service life of the batteries.
Angular contact bearing BA220-6SA (220*276*26) is used in excavator travel gearbox.
ZHZB Excavator Bearing Factory Supplier Provides High Quality BA220-6SA
Solar aeration system is a kind of water treatment system specially designed for water purification and water quality improvement of rivers and lakes.The use of solar energy as a power source, with low operating management cost, good effect of oxygen, large flow, anti-blocking, long life, low operating noise characteristics.Widely used in urban river, artificial lake, natural lake;Suitable for aquaculture, fish pond oxygen;In the practice of water body restoration, it has obvious effects on water body reoxygenation and water body circulation.
