Corrosion is the damage and deterioration of materials under the action of various environments. The corrosion of metal is mainly caused by chemical corrosion and spot chemical corrosion. The corrosion of non-metallic materials is usually caused by direct
Industrial valves are mainly used to regulate the flow, pressure, temperature, liquid level and other process parameters in the field of industrial automation process control.
On the afternoon of April 27, China Iron and Steel Industry Association held an information conference in Beijing. Quxiuli, vice president and secretary general, introduced the operation of Chinas steel industry in the first quarter, showing the character
Not only the valve market has become depressed, but the situation in other industries is the same, which has had a negative impact on the valve market. At that time, collusion between government and business was very common, so once the corruption scandal
It is reported that this year, Yongjia pump valve will take advantage of the creation of "Zhejiang Yongjia system process equipment industry innovation service complex" and the construction of "Wenzhou pump valve industry senior expert talent pool" to fur
During this period, a number of control valve manufacturers emerged in the market. Among the state-owned enterprises, Wuzhong instrument and Chuanyi Co., Ltd. were the industry leaders, while private enterprises such as Zheneng Automatic and Dagao valve a
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