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Create wealth for the country, develop a certain enterprise and seek happiness for the staff

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Jining Dong Ju Construction Machinery Co.Ltd

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Undercarriage

High quality Genuine product Fuel system Fuel injector nozzle 4W-7018 with stock available and fast delivery for CAT

CAT D4G BULLDOZER UNDERCARRIAGES

Komatsu Gear Pump 14X-15-12440 Fit For D61E, D61EX, D61PX, D65E, D65EX, D65P, D65PX, D68ESS, D85E, D85ESS

Komatsu Gear Pump 14X-15-12250 Fit For D61E, D61EX, D61PX, D65E, D65EX, D65P, D65PX, D68ESS, D85E, D85ESS, D85EX, D85PX

Komatsu Gear Pump 14X-15-12430 Fit For D61E, D61EX, D61PX, D65E, D65EX, D65P, D65PX, D68ESS, D85E, D85ESS

Komatsu Gear Pump 14X-15-12220 Fit For D61E, D61EX, D61PX, D65E, D65EX, D65P, D65PX, D68ESS, D85E, D85ESS

Komatsu Gear Pump 14X-15-22221 Fit For D61EX, D61PX, D63E, D65E, D65EX, D65P, D65PX, D65WX, D85ESS

About Us

Creating wealth for the country and development for the company

Since its inception, the company has been adhering to the concept of "creating wealth for the country, development for the enterprise and happiness for the staff" to create a "benchmark" image in the industry. "Quality control, service and price" have always been the genes of the company. With high quality and service, high quality price for domestic and foreign customers. We give full play to the advantages of origin, industry and the complete industrial system of a large country to provide services to customers from all over the world and all industries. We are committed to let Chinese products serve the world and let the world customers go to China.

Services

Specialities

Innovation

Quality

2007

The company started in 2007

1000

Registered capital 10 million yuan

100 +

Current employees

150 +

Serving the Nation

News Center

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Common classification of hydraulic pumps

1. Whether the flow can be adjusted can be divided into: variable pump and quantitative pump. The output flow can be adjusted as a variable pump as needed. The flow cannot be adjusted as the quantitative pump.

03-29

2023-03-29

Hydraulic pump

Hydraulic pump, definition: Drive by engine or motor, convert mechanical energy to hydraulic system power components with hydraulic energy.

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2023-03-29

What are the car engines?

The type of car engine is as follows: 1. According to the working mode of the air intake system, it is divided into four types: natural aspiration, turbocharged, motorizing, and dual supercharged. 2. Pistons Movement: It can be divided into rehabilitation internal combustion engines and rotating piston engines. 3. cylinder arrangement type: inline engine, V -type engine, W -type engine and horizontal opposite engine. 4. Press the number of cylinders: can be divided into single -cylinder engine and multi -cylinder engine. Most of modern cars use three -cylinder, four -cylinder, six -cylinder, and eight -cylinder engine. 5. Different from the cooling method: can be divided into water -cooled engines and air -cooled engines. Water -cooled engines are widely used in modern car engines due to their uniform cooling, reliable work, and good cooling effect. 6. Press the number of strokes: can be divided into four -stroke internal combustion engine and two -stroke internal combustion engine. The four -stroke internal combustion engine is widely used in cars. 7. Classified by oil supply: carburetor engine, electric injection engine, and in -cylinder direct injection engine.

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Our Services

"Quality control, service and price" has always been the DNA of our company. We serve our customers at home and abroad with the highest quality and service at the best prices.