It is the most important to improve the level and

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Improving the level and grade of valve products is the primary issue in China's valve industry.

according to relevant data, in China's current valve market, in addition to the low-pressure valves having reached the level acceptable to the international market, high-pressure valves still rely on imports. Under the situation that the macro economy continues to be optimistic, most of the production and sales indicators of the valve industry have maintained rapid growth. However, due to the impact of the price war, the sales revenue and profit of the industry have decreased significantly compared with last year. With the recovery of the world economy, the import and export of China's valve products have also increased, but the competition in the international valve market is also intensifying. As there is still a big gap between the high-end technology and the large foreign manufacturers, the product technology will become a bottleneck restricting the development of China's valve products in the coming period

therefore, improving the level and grade of valve products is the primary issue for the future development of China's valve industry. The depression of the whole valve industry has led to the backwardness of China's valve products, which is an important factor restricting the development of China's valve products. When investigating the valve industry, Ding Qi, general manager of Chengdu Chengfeng Valve Co., Ltd., said truthfully. When talking about this issue, President Ding cited an example. In this year's west to east gas transmission project, because the main line project requires a large number of valve products, many domestic and foreign valve enterprises have participated in the bidding of the main line project, but the only local valve enterprise that truly conforms to the West to east gas transmission project is Chengfeng valve. Although Hejia valve has made great achievements in the bidding of the branch line project, it is obviously not enough to make domestic valves proud. Some insiders said that most local valve enterprises were not involved in the west to east gas transmission project, which was a disgrace to the valve industry

4.2.6 strain extensometer and accessories ★ 1) static accuracy: not greater than 0.5% of the indicated value; ★ 2) dynamic accuracy: no more than 1% of the indicated value; 3) Gauge length: 25mm; 4) Strain limitation: 10%

many local valve enterprises pass by the west to east gas transmission project. In addition to the major environmental factors, some other factors, such as backward equipment and technology, low degree of specialization, small market scale and so on, are also the bottleneck restricting the continuous improvement of the international influence of the valve industry in China's plastic machinery industry

under the conditions of high temperature and high humidity, there is a certain gap between domestic valve enterprises and foreign ones. As for the domestic valve industry, there is also a large gap between the mainland and the coastal areas. The mainland valve industry has a low starting point, small scale, low degree of specialization and low degree of marketization, which widens the gap with the coastal areas and leads to the unbalanced development of the domestic valve industry. It can be widely used in quality inspection departments, construction units, steel hinge lines and steel bar production enterprises

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