Cost performance is difficult to reflect the grinding wheel

First, from a technical content and scale of investment in terms of low barriers to entry; some small-scale users of its applications is not very important, difficult to reflect product cost performance wheel; abnormal development of some regional markets; all of which inevitably led to Some poor quality, the price is very low, or even  Diamond blade  products flooding the market, causing many informal enterprises being dragged into the quagmire of vicious competition, no energy and ability to engage in product quality and management level. Secondly, in recent years,   cubic boron nitride    abrasive grinding wheels made ​​of raw materials prices rose much higher than the wheel of product prices, which resulted in decreased economic efficiency of enterprises. Third, the rapid economic development has provided a large number of jobs, while the wheel due to its labor-intensive  cutting tools  sector, poor working conditions and other unfavorable factors, the labor market has gradually been neglected. And even the stability of the existing workforce is declining, labor mobility ten frequently. Coupled with the continuous improvement of wages, is the general trend of social development. These factors not only improve the labor costs as a percentage of product cost ratio, but also increased the difficulty of factory management.