What grade do knives belong to?

Upscale. Daodaoquan is a product of Hunan Baling Oil Co., Ltd., with total assets of 600 million yuan and annual output value of nearly 2.8 billion yuan. It is one of the largest oil processing enterprises in Hunan Province and even in Central and South China. Pre-pressing factory with an annual processing capacity of 250,000 tons of rapeseed, soybean and cottonseed, oil refining and deep processing factory with an annual processing capacity of 6,543,800 tons, and seven small and medium-sized packing automation production lines with an annual filling capacity of 200,000 tons. So the road is full of high-end grades.