The ratio of raw material costs to total cost of kitchen esp depends on the different materials used by producers in their production. In manufacturing, material costing is a basic requirement for success. In order to be competitive and profitable, manufacturers must understand and control material costs. In the future economic conditions, many manufacturers are constantly looking for ways to improve material efficiency in order to maintain a surplus and competitive advantage by providing customers with maximum profits.

Dongguan Dongguan Ruizhaohe Environmental Protection Equipment Co., Ltd. Environmental Protection Equipment Co., Ltd. integrates design, R&D, manufacture, marketing, and customer service together. We are considered as the pioneer in manufacturing extractor hoods. Ruizhaohe's oil mist collection‎ series include multiple types. The product is notable for its high energy efficiency. This product consumes little energy or power to finish its task. With a durable aluminum plate, the product excels other models in its corrosion resistance. This product is one kind of timeless and functional pieces. It will definitely fit a space and budget! - said one of our customers. The product features compact structure, thus it has smaller size and lighter weight.

Dongguan Ruizhaohe Environmental Protection Equipment Co., Ltd. aims to offer every customers superior industrial air filter and satisfying service. Call!