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







  • Method for checking gear shaft.

    Gear refers to a mechanical element on the rim where gears are continuously meshed to transmit motion and power. Generally, there are gear teeth, tooth grooves, end faces, normal faces, tooth crest circles, tooth root circles, base circles, and index circles. When using some gear products, the role ...

  • Brief introduction to the problem of gear tooth surface hardness

    The composition of electronic mechanical products is very complicated. There are many parts in them. One of the most common and important parts is gears. I believe everyone must have seen gears, but do you know that gears can be classified according to the hardness of the noodles? Yes, the hardness ...

  • How to distinguish the material and use of T2 copper tube.

    Copper materials can be simply divided into two categories, one of which is pure copper, and the other is the composition of various copper alloys. What is a copper alloy? According to Baidu's explanation, an alloy is a substance with metallic properties synthesized by two or more metals and metals ...


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 .