According to statistics, after many years of development trend, at the present stage, the domestic professional rectangular die spring has already had a qualitative change in both level and quality. But with the development trend of economic development, especially the rapid development of cars, power generation, railway freight and public transport and other fields, it has also clearly put forward one after another to produce a great sales market for the elastic yellow industry

"Difficult points".

In the past, in front of such "difficulties", Chinese companies only looked at the "difficulties" and sighed. However, after many years of hard work, when professional stretching spring field has grasped the technical situation, raw materials and machinery equipment problems are increasingly highlighted, and then some bullet yellow manufacturing enterprises have to import at a high price, thus, raw materials, manufacturing and testing instrument become the bottle diameter in the development trend of Chinese bullet yellow industry. Although after many years of industry and machinery and equipment processing and manufacturing industry hard work, this problem has been reduced to a certain extent, but at this stage is still far from considering the requirements of the yellow industry, very some raw materials, in order to better completely eliminate this difficulty, the research in recent years the key development trend related to the company, and let this company as executive director of the research, Participate in a series of theme activities in the field of elastic and yellow, such as market survey, product research and development, quality assurance, etc., promoting each other with the same development trend.

Professional Hengli spring industry development to today, already from the past price competition, service project market competition gradually into the whole industry chain of the market competition, and the whole industry chain is to rely on a standardized way to carry out. According to statistics, although the field of quality standards system is relatively perfect at this stage, but because of the development of earlier, and today's market demand has a very distance, many norms in today's usually only a "name expression", especially compared with Japan, Europe, Britain and other capitalist countries, the current standard of national industry standards and national standards are low, As a result, the competitiveness of China's elastic yellow commodities in foreign markets is not strong. Therefore, the promulgation of new standards in the field of international connection as soon as possible has become the unanimous appeal of the participants.