
With years of market experience and proficiency in ball and roller bearing design and manufacturing, Xiamen JAMA Bearing Co., Ltd is a perfect manufacturing partner. JAMA's chain sprocket series contains multiple sub-products. It has a long mechanical life. It has been tested for exposure to electromagnetic compatibility, high and low temperatures, humidity, dust, mechanical shock, vibration, sunlight, salt spray, and other corrosive environments. This product will not 'burn out' the way that incandescent and CFL do, instead, it has Lumen depreciation which means it gradually grow dimmer over time yet users can still use it for thousands of hours.

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