The total production cost equal the sum of direct materials costs, direct labor costs, and manufacturing overhead costs. In the production process of commercial kitchen extractor hood, 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.

The professionalism in manufacture of kitchen electrostatic precipitator helps Dongguan Dongguan Ruizhaohe Environmental Protection Equipment Co., Ltd. Environmental Protection Equipment Co., Ltd. gradually stabilize the market. Ruizhaohe's activated carbon filter series are created based on unremitting efforts. The product is able to last for a long time thanks to the oxidation treatment, corrosion resistance treatment, and the electroplating technique. With a durable aluminum plate, the product excels other models in its corrosion resistance. Although it adds a subtle sense of richness to the bed, it is the perfect choice for any season, and the proper warmth can be adjusted according to body temperature.

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