The market scale of wool knitting machine industry in 2021 is the basic data information through a large number of first-hand research and data monitoring covering major industries (including the output and output value of target products or industries within a specified time, specifically according to the population, people's needs, age distribution, and regional wealth survey), and through a number of independently developed market scale and development prospect estimation models, provide customers with reliable market and market segment size data and trend judgment, assist customers to judge the target market size and development prospects, and provide reliable and continuous data support for market development and market share estimation.

The market size is not only the market sales of wool knitting machine products in a certain range, but also covers the scale of user volume or sales volume. We estimate the existing market according to the area where wool knitting machines are concentrated, the stage of development, and the number of users; secondly, we estimate the future market according to the potential users and development trends of wool knitting machines. Finally, the overall size of the wool knitting machine product market can be known.

In the calculation of the market size of wool knitting machines, we mainly use the following methods.

1. source push algorithm

The market size of this industry is traced back to the source industry that gave birth to this industry, and through the interpretation of the source industry data, the data of the wool knitting machine industry is derived.

2. strong correlation data push algorithm

The so-called strong correlation can be understood as a strong relationship between the sales of the products of the two industries. Through the analysis of the strong correlation with the wool knitting machine industry, the accuracy of the market size data is confirmed.

3. demand push algorithm

That is, according to the needs of the target customers of wool knitting machine products, to measure the size of the target market.

4. sampling analysis

That is, a certain sample is taken from the population by sampling, and then the overall situation is inferred from the sample. The sampling methods mainly include: random sampling, stratified sampling, overall sampling, systematic sampling and snowball sampling.