NEWS

Public Notice of Environmental Protection Acceptance for the Completion of the New Fixed X-ray Flaw Detection Project by Sichuan Zhongyou Leyi Energy Equipment Manufacturing Co., Ltd.

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

Sichuan CNPC Leyi Energy Equipment Manufacturing Co., Ltd. New fixed X-ray flaw detection project Environmental impact report form publicity

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

Social Responsibility Report

Sichuan Zhongyou Leyi Energy Equipment Manufacturing Co., Ltd

2023-08-08

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

Key knowledge of valve installation

Such as globe valves, throttle valves, pressure reducing valves, check valves, etc., if they are installed in reverse, it will affect the use effect and life (such as throttle valves), or do not work at all (such as pressure reducing valves), or even cause danger (such as check valves).

2019-05-16

Valve degreasing treatment method

Cleaning steps: The parts of the valve must go through the following process before assembly

2019-04-20

Maintenance of pneumatic control valves and causes of failure

Pneumatic control valve is one of the instruments widely used in petrochemical enterprises.

2019-04-16

Sichuan CNPC Leyi Energy Equipment Manufacturing Co., Ltd. held the launching ceremony of the implementation of the integration of industrialization and industrialization management system

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

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

Pay attention to the installation of check valves

Check valves, also known as check valves or check valves, are used to prevent the backflow of media in the pipeline. The foot valve of the suction off of the water pump also belongs to the category of check valves.

2019-03-14