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Jack Manufacturers Manufacturers


Jack is a steel jack used as a working device to lift the body of the car while a spare tire is being replaced.  A small, light lifting device that lifts heavy objects within the stroke by means of a top bracket or bottom bracket.  We have various styles of jack for replacement of spare tire, which is convenient for the car to change the tire when there is a problem on the road.

About Us

Leading Brand Of Automotive Tools

Haining Dongya Automobile Tools Co., LTD. was established in 1994, located in Haining, Zhejiang, As China Custom Jack Manufacturers Manufacturers and OEM Jack Factory Factory , We specializing in hardware tools production, research, development, and sales of enterprises. The factory has a workshop of 10,000 square meters, with CNC lathes, cutting machines, polishing machines, heat treatment, and other equipment, and we can control the product quality more accurately, shorten the production cycle, and the price is cheaper than that of trading companies.
  • Professional sales team, timely reply to your inquiry and provide professional advice.
  • Affordable prices for all customers are lower than others.
  • We have professional technical personnel, who provide aftersales service, to solve your worries.
  • The company specializes in the production of auto repair tools for nearly 30 years.
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Haining Dongya
Leading Brand Of Automotive Tools

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Honor certificate

We have 15 national patents, we also passed ISO9001 quality management system certification and all of our products compliance with CE standard.

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Industry Knowledge Section

What is a hydraulic jack and how does it work?

 A hydraulic jack is a mechanical device that uses a hydraulic mechanism to lift heavy objects, such as vehicles, by applying a force through a fluid. It typically consists of a cylinder, a piston, a pump mechanism, and a release valve. When the pump handle is operated, it creates pressure in the fluid, which pushes the piston upwards, lifting the load. The release valve allows for controlled lowering of the load by releasing the pressure in the fluid. Hydraulic jacks are commonly used in automotive applications, such as lifting cars for tire changes, repairs, or maintenance tasks.

What are the different types of hydraulic jacks used for cars?

There are several types of hydraulic jacks used for cars, including:
Floor Jack: This is a common type of hydraulic jack used in garages or automotive workshops. It has a long handle for pumping and a large base for stability. Floor jacks are designed to lift cars from the underside, usually by positioning it under the vehicle's frame or designated lifting points.
Bottle Jack: This type of hydraulic jack has a compact design and a cylindrical shape, resembling a bottle. It is typically smaller and portable, making it suitable for roadside emergencies or DIY car repairs. Bottle jacks are operated by a pump handle attached to the side of the cylinder and are capable of lifting heavy loads.
Scissor Jack: This type of hydraulic jack has a compact and lightweight design, resembling a scissor when extended. It is usually provided as a standard jack with many vehicles and is used for emergency tire changes. Scissor jacks are operated by a crank handle and are limited in lifting capacity compared to floor jacks or bottle jacks.

What are the safety precautions to consider when using hydraulic jacks for cars?

When using hydraulic jacks for cars, it is important to follow safety precautions to ensure safe operation. Some safety precautions to consider include:
Positioning: Always position the hydraulic jack on a firm, level, and stable surface. Avoid uneven or sloped surfaces that can cause the jack to tip over or the load to shift.
Lifting Points: Use the designated lifting points on the vehicle, as specified by the manufacturer, to ensure proper weight distribution and prevent damage to the vehicle's frame or suspension components. Avoid lifting the vehicle by any other points, such as the body or axle, which may cause damage.
Capacity: Ensure that the hydraulic jack's lifting capacity is sufficient for the weight of the vehicle or load being lifted. Exceeding the jack's capacity can result in failure or accidents.
Maintenance: Regularly inspect the hydraulic jack for any signs of wear, damage, or leaks. Replace any worn or damaged parts and maintain the jack according to the manufacturer's instructions.
Stability: Always ensure that the hydraulic jack is stable and properly positioned before working under the vehicle. Use jack stands or other appropriate support devices to hold the vehicle securely in place.
Release Valve: Never release the hydraulic pressure too quickly or abruptly. Lower the load in a controlled and gradual manner using the release valve to avoid sudden drops.
Personal Safety: Wear appropriate personal protective equipment (PPE), such as gloves and safety glasses, when operating a hydraulic jack. Avoid placing any body part under the vehicle while it is lifted, and keep bystanders at a safe distance.

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