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Bulldozer Hydraulic Cylinder, We provide good quality but unbeatable low price and the best service. Welcome to post your samples and color ring to us .We are going to produce the items according to your request. If you are interested in any items we offer, please feel free to contact us directly by mail, fax, telephone or internet. We've been here to answer your questions from Monday to Saturday and looking forward to cooperating with you.

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  • Hydraulic Nut for Hydraulic Cylinder

    Hydraulic Nut for Hydraulic Cylinder

    Hydraulic Nut for Hydraulic Cylinder: Hydraulic Nut is mainly used in mobile machinery hydraulic cylinders, industrial engineering hydraulic cylinders, marine engineering hydraulic cylinders, energy technology hydraulic cylinders etc. Qingdao Micro Precision Machinery Co., Ltd. is a professional manufacturer and supplier that mainly produces hydraulic parts and hydraulic cylinders with reliable quality and stable delivery, which has many years experience. Hope to establish business relationship with you!
  • Boom Cylinder of Excavator

    Boom Cylinder of Excavator

    Boom Cylinder of Excavator is a very important part of the injection molding machine. When the injection is completed and the mold is opened, the ejector hydraulic cylinder pushes the ejector rod or ejector block through the hydraulic force to eject the injection molded product from the mold cavity, making it easier to take out the product.
  • Glyd Ring for Piston

    Glyd Ring for Piston

    Glyd ring for piston is composed of a rubber O-ring and a PTFE ring. The O-ring applies force and the Glyd ring is a double-acting piston seal. It has low friction, no creeping, small starting force, and high pressure resistance. It can be divided into Glyd rings for holes and Glyd rings for shafts.
  • ZQ83 Single and Double Action Vises

    ZQ83 Single and Double Action Vises

    ZQ83 Single and double action vises are made of high-quality alloy steel carburized, working surface hardness HRC58-62. They are widely used in machining centers, CNC milling machines, boring machines, grinders and other machine tools.
  • T22A Hydraulic Cylinder Balance Valve Block

    T22A Hydraulic Cylinder Balance Valve Block

    The T22A hydraulic cylinder balance valve block is processed with high-precision 5-axis CNC equipment, and the valve hole of the hydraulic valve block is processed with customized molding tools to ensure the accuracy of the valve hole and the smoothness of the valve hole, Ra0.8--Ra1.6
  • Excavator Bucket Cylinder

    Excavator Bucket Cylinder

    The excavator bucket cylinder produced by Qingdao Micro Precision Machinery Co., Ltd. serves customers such as CAT, Volvo, SANY, etc.
    Qingdao Micro Precision Machinery Co., Ltd. can provide you with professional services and more favorable prices for hydraulic cylinder products. If you are interested in hydraulic cylinder products, please contact us. We adhere to reliable quality, conscientious pricing, and enthusiastic service.
    We can provide you with:
    • Bucket Cylinder
    • Boom Cylinder
    • Bucket Rod Cylinder
    • Bulldozer Hydraulic Cylinder
    • Steering Hydraulic Cylinder
    • Angle Push Oil Cylinder
    • Chassis Telescopic Oil Cylinder
    Customizable according to customer requirements
  • Related Blog
  • Reviews

  • What factors determine the level of working pressure on a hydraulic cylinder?

    When choosing a hydraulic cylinder for equipment, an unavoidable core issue is: How much working pressure can this hydraulic cylinder withstand?

  • Main parameters of hydraulic cylinders

    The main parameters of the hydraulic cylinder include pressure, flow, size specifications, piston stroke, movement speed, push and pull force, efficiency and hydraulic cylinder power.

  • How to test leakage in hydraulic cylinder?

    In the hydraulic system, the hydraulic cylinder is the core actuator, and its sealing performance is directly related to the operating efficiency and reliability of the equipment.

  • What should I pay attention to when disassembling the hydraulic cylinder?

    In the hydraulic system, the hydraulic cylinder is an indispensable key component, which converts hydraulic energy into mechanical energy and provides power for various mechanical equipment. However, in the process of maintenance, overhaul or replacement of hydraulic cylinders, disassembly is an indispensable link. The following are the matters that we need to pay attention to when disassembling hydraulic cylinders based on our experience.

  • Participate in the machinery seminar to explore new developments in the industry

    On May 20, 2025, Qingdao Micro Precision Machinery Co., Ltd. participated in the highly anticipated offline machinery seminar with its enthusiasm and spirit of exploration for the machinery industry. The seminar brought together many experts, scholars, enterprise representatives and technical backbones in the machinery industry, aiming to build a professional platform for exchanging ideas, sharing experiences and seeking common development, injecting new vitality into the continuous progress of the machinery industry.

  • Why do hydraulic cylinders change color on excavators?

    In the daily operations of excavators, hydraulic cylinders, as a key actuator, directly affect the work efficiency of the excavator. However, the color change of hydraulic cylinders is a common issue that has drawn the attention of operators and maintenance personnel.This color change process is not due to a chemical change in the cylinder itself but rather a colored film covering the cylinder surface. The following are the main reasons for the color change of hydraulic cylinders:

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