There are many cotton plants all around the world. Every country has its special famous cotton mills, which produce usual materials and exclusive production. There are many cotton manufacturing centers and denim manufacturers in different cities of the country. Every city has its mills, its prices for the manufacture products. Every city, which is specialized in making cotton fabrics, has its consumers. Every kind of production has its price on the country's market and the other price on the foreign market. Cotton factories produce special cotton material, which is called denim. Denim manufactures are spread all over the world because denim is very useful material for making warm clothes and other firm materials. Cotton mills can produce very good denim cloth, which is used in weaving industry. The important technical element in the weaving factory is weaver's loom, which helps to weave cotton and denim in good drapery. In fact, denim fabric is like raw material for textile industry. Owners of textile factories buy cotton material and denim fabric in cotton factories and produce cloth articles for different spheres of our life. So, cotton denim mills deliver their production to textile mills. If denim fabric has bright quality, the demand on it grows with big speed and in short time cotton fabric can be very popular with its consumers on the market and it will have a lot of buyers. The important fact is that many denim manufactures take part in trading. Cotton factories are very strong nowadays and each of them has its special place on the cotton market. All cotton and denim fabric producers are interested in making high-quality production, which will have a great demand on the market and look competitive among other cotton business rivals. Textile industry needs perfect cotton material. The directors of textile and weaving manufactures are interested in buying new good cotton articles. That is why, their profit depends on the quality of the raw material (denim fabric, floss threads, cotton braid, cotton ribbons etc.), which is used in technical process. But directors of cotton factories must make a lot of efforts to make really good competitive production. Every manager should have qualified and clever workers, who know technical process very well and who are supposed to like their job. He should invest lots of money to build his factory; he can pay for the rent, or he can build new perfect mill with advanced technical equipment. Good technique costs a lot of money, but it appears to be very profitable to put your money into new perfect techniques, which will make great cotton material. A manager should have highly skilled personnel to make the work on the factory fast and progressive. There are two important laws on the market of cotton, they are: supply and demand. These market laws are the driving force of the whole technical process, of the quantity of producers and consumers. They have a great influence on the market conditions, like fluctuations in prices, variation of produced cotton goods and so on. A good manager of a cotton factory has to learn these important details to make his business profitable.