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







  • Stamping elbow disadvantage that may happen

    The plastic working of the press elbow tends to suffer from the following quality disadvantages, especially in the tortuous processing of the pipe. (1) The wall thickness becomes thinner and wrinkles, such as a thinning of the outer side of the tortuous deformation zone. The portion where the thinni...

  • How to connect the elbow to the pipe

    The elbow should be made by the manufacturer, and it must be preserved and the ordering period is long. The cold bend pipe can be bent with a ready-made straight pipe bender. One-time completion does not require secondary corrosion protection. The cold-bending pipe construction process has a petrole...

  • Difference between seamless elbow and stamping elbow

    The most common production data for seamless elbows is seamless steel pipe. The elbow tube blank is cut by using water knife cutting, hot cutting, etc., and is selected by the intermediate frequency pushing machine, and then shaped by a hot press, followed by groove, non-destructive testing and the ...


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 .