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







  • The coloring of copper castings consists of three stages

    When designing, in addition to determining the geometry and size of the casting according to working conditions and metal material properties, the rationality of the design must be considered from the perspective of casting alloy and casting process characteristics, namely obvious dimensional effect...

  • Large copper sleeve centrifugal casting

    The copper sleeve has a wide range of functions. Copper is used for plain bearings. Bearings are more economical than normal and can withstand larger loads. Copper sleeves, also known as copper bearings, require lubrication bearings. It is the lubrication of mechanical parts produced by various copp...

  • How to avoid water marks on the surface of copper castings

    Copper castings are precision castings. If you are not careful during the casting process, some surface defects will occur. Water marks are one of them. The main reason for the appearance of water marks on the surface of copper castings is that the moisture content of the sand is too high or the wea...


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 .