WHY CHOOSE EDD MACHINERY? We have thirty years of industry experience and state-of-the-art infrastructure, quality of products meet the relevant national standards, a metal engineering industry is committed to casting, processing, marketing, and service in one enterprise.


    Manufacturing and exporting experience for over 30 years.
    We are casting and machining together, customer can get more powerful guarantee.it contains raw material and sizes.
    In-house mold design and building capabilities


    Our CNC machining are in high quality
      1)No composition brass mix.
      2)All the material made of ingot
      3)All the blank are tested the chemical analysis before production
    Our copper fittings can be BS,JIS,DIN,ASTM,SAE approved.
    Keep secret to your idea and your design.

  • customization

    Professional design team, mold maker engineer. OEM/ODM service.
    Professional QC and R&D teams to assure high quality
    Fast delivery. For prototype: 7-10 days, Production orders can be arranged specially to meet customer’s urgent demands
    Geographical advantages: within 2 hours to airport or sea port.

Exhibition & NEWSOur latest information







  • Analysis of gear damage of gear reducer

    The gear damage of the gear reducer is a problem that occurred during the operation. Next, we will analyze this problem. Broken teeth problem. The reasons for broken teeth can be divided into two situations, one is fatigue breakage, and the other is overload breakage. In the normal operation of the ...

  • What are the gear structure classification

    Generally, there are gear teeth, tooth grooves, end faces, normal faces, tooth crest circles, tooth root circles, base circles and index circles. Gear teeth: Referred to as teeth, it is each convex part on the gear for meshing. These convex parts are generally arranged in a radial pattern. The gear ...

  • What gears need to pay attention to

    1. Gear processing: The key to gear processing is tooth surface processing. Methods include tool cutting and grinding wheel grinding. It is the process of obtaining the specific structure and precision of gears by mechanical methods. According to the processing principle, it can be divided into two ...


Famous as

China copper fittings manufacturers and CNC machining suppliers

,we provide all types of copper fittings, bushes, copper nuts, copper slide blocks, gears, worms, copper shaftings, copper valves, copper impellers, washers, pneumatic fittings and so on. These products are widely used in air conditioner, engineering machinery, coal machinery, textile machinery, mechanical transmission parts, shipbuilding, metallurgy, mining and air operated,the hot-water heat,the coal gas, the air compressor,the refrigeration,the chemical industy,spinning and weaving, plumbing engineering project and so on, We can according to user requirement to make CNC machining .