The products follow the layout of high, medium, low and low sealing, and the overall price is calculated by channel based on cost, volume and marketing expenses;
The product is designed according to the layout of high, medium, and low for low sealing drainage, and the overall price is calculated based on cost, congestion volume, and marketing expenses by channel;
According to the layout of high school, low for and low sealing drainage, the overall price of products is calculated by cost, blocking amount and marketing expenses.