The total production cost equal the sum of direct materials costs, direct labor costs, and manufacturing overhead costs. In the production process of luminaire outdoor lighting, the direct materials cost is one of the few variable parts. For some mature and well-developed producers, they focus on developing or importing high-end technology to reduce the materials waste as much as possible, therefore enhancing the utilization ratio of raw materials. This, in turn, can reduce the investment in the raw materials while ensuring the quality.

CHZ, with a focus on innovation, makes difference and takes the lead in the solar street light market. Shanghai CHZ Lighting Co.,Ltd's main products include solar street light series. CHZ ceiling light panels complies with all standards of quality and safety. It has passed wires anti-aging test, circuit safety test, radiation test, etc. Its correlated color temperature(CCT) can be customized. This product has a perfect shape. It is designed following the natural curves of the figure, make darts, side seams and the hollow of the back. With the housing painted and anodized, it is not prone to rust or oxidized.

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