6V3.2AH Battery is a smart audio battery. Yaheng can produce this item 3200mAH @C20. This item is purposely designed for applications of portable lamps, medical equipment, portable acoustics, alarm system.
More energy power, More electricity revenue.The easiest way to optimize energy output of your roof.Minimize the losses from shading,module mismatch, degradation, aging and other issueBy constantly tracking the Maximum Power Point (MPP) of each solar modul
Vacuum tube solar water heater is a heating device that converts sunlight energy into heat energy.Solar water heaters are composed of heat collection tubes, water storage tanks, brackets and other related parts. The conversion of solar energy into heat ma
We have been in steel area for more than ten years, focus on producing 4130 steel tube. After acid pickling, cold rolling, cold drawn, and then adopt advanced technology for heat treatment (NBK status) to produce steel pipes with surface: bright, smooth.