Yunnei Power Company is mainly engaged in the production of diesel engines, light trucks, agricultural machinery, and diesel engine parts. The diesel engine business accounts for nearly 90% of the main revenue.

In 2009, the company realized operating income of 2,490.7 million yuan, an increase of 39% over the previous year; realized total profit of 206.67 million yuan, an increase of 47.12% over the previous year; and a net profit of 169.94 million yuan, an increase of 25.36% over the previous year.

Looking into the future, the development of Yunnei Dynamics will soon enter the accelerated development track.

1. Yunnei Power Co., Ltd. actively promoted the relocation and technological transformation of Chengdu company. At present, most of the production workshops have been completed and put into production. The new production areas have been put into production and are operating normally.

2. In 2007, Yunnei Power Company successfully implemented a public issuance of 123.70 million yuan to invest in the construction of a diesel engine production capacity. The diesel engine produced was used in passenger cars such as passenger cars, SUVs, and MPVs. The annual output of the diesel engine was 200,000 yuan. Taiwan, which is expected to bring 42.94 million yuan in annual new profits, is expected to be gradually completed and put into operation in the next year.

In the secondary market, the stock's recent 250-day moving average oscillated below the 250-day moving average and constituted a consolidation platform. The volume can continue to be moderate, and signs of stabilization and stabilization will appear. The market outlook is expected to rebound before the broader market.

Excavator Cylinder Piston Rod Seals

Installation and application of piston rod seal for excavator hydraulic cylinder
The installation and application of hydraulic cylinder piston rod seals in excavators mainly include the following aspects:
1. Applying lubricating oil: Before installing the seal, the surface of the piston rod must be coated with lubricating oil to facilitate the installation and use of the seal.
2. Install the seal: Install the seal on the piston rod in sequence, taking care not to pinch or bend the seal.
3. Pressing the seal: After installing the seal, special tools need to be used to press the seal tightly to ensure its tightness and stability.
4. Check the sealing effect: After installing the sealing element, it is necessary to check the sealing effect. It can be detected by observing the working status of the hydraulic cylinder or using tools such as leak detectors.
5. Application scenario: The piston rod seal of excavator hydraulic cylinder is mainly used in the hydraulic system of construction machinery such as excavators, loaders, and bulldozers to prevent hydraulic oil leakage and ensure the normal operation of the machine.
In summary, the installation and application of hydraulic cylinder piston rod seals in excavators is a very important part of the hydraulic system, and must be strictly operated in accordance with regulations to ensure the normal operation and safety of the machine.

Excavator hydraulic cylinder piston rod seal, hydraulic cylinder piston seal, sealing kit

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