NEWS
More than 40 years focus on oil, natural gas valves, instruments, instruments and other special equipment research and development, production and sales.
04
2025-09
According to the "Regulations on Environmental Protection Management of Construction Projects," Sichuan Zhongyou Leyi Energy Equipment Manufacturing Co., Ltd. has conducted the completion environmental protection acceptance for the "Environmental Impact Report Form of the New Fixed X-ray Flaw Detection Project of Sichuan Zhongyou Leyi Energy Equipment Manufacturing Co., Ltd." and prepared an acceptance report. The completion environmental protection acceptance status of this project is hereby announced.
2025-09-04
24
2024-12
According to the provisions of the Guidelines for Disclosure of Government Information on Environmental Impact Assessment of Construction Projects (for Trial Implementation) issued by the Ministry of Ecology and Environment of the People's Republic of China, the construction unit shall take the initiative to disclose the full information of the environmental impact assessment report and form of the construction project in accordance with the law before submitting the environmental impact assessment report and form of the construction project to the competent environmental authority. The public version of the environmental impact assessment document of the new fixed X-ray flaw detection project of Sichuan Zhongyou Leyi Energy Equipment Manufacturing Co., Ltd. is now publicized, and the public version does not involve state secrets, commercial secrets, personal privacy, and involves national security, public safety, economic security and social stability, etc., and the publicity content clicks the link.
2024-12-24
08
2023-08
Sichuan Zhongyou Leyi Energy Equipment Manufacturing Co., Ltd
2023-08-08
13
2019-06
Summary of all kinds of general valves and special valves
Ball valve, the opening and closing parts (ball) are driven by the valve stem and rotate around the axis of the ball valve.
2019-06-13
20
2019-04
Valve degreasing treatment method
Cleaning steps: The parts of the valve must go through the following process before assembly
2019-04-20
16
2019-04
Sichuan CNPC Leyi Energy Equipment Manufacturing Co., Ltd. held the launching ceremony of the implementation of the integration of industrialization and industrialization management system
2019-04-16
20
2019-03
Types of gate valves and working principles
The opening and closing parts of the gate valve are the gate plate, the direction of movement of the gate plate is perpendicular to the fluid direction, and the gate valve can only be fully opened and closed, and can not be adjusted and throttled.
2019-03-20
15
2019-02
Structural characteristics of the butterfly valve
The structure of the butterfly valve is slightly different from that of other valves
2019-02-15
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