A simple but very practical solar lighting system consists of a solar panel, a silicon structure board, a power converter and an LED light. During the day we can hang it outside to enjoy the sun bathing, and at night we can roll it up to provide us with lighting, four hours of charging can provide six hours of lighting time, flexible structure can easily roll, and durable . Design: Juyoung-kim.

Double Row Bearings

Double Row Deep Groove Ball Bearing,Double Row Tapered Roller Bearing,Double Row Cylindrical Roller Bearing,Double Row Roller Bearing

Ningbo DeNeu Imp. & Exp. Co., Ltd , https://www.deneucn.com