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







  • Causes and prevention methods of common defects in castings-Chapter Tree

    Fourth, cracks (hot cracks, cold cracks) Characteristics: The appearance of the crack is a straight line or an irregular curve. The surface of the hot crack fracture is strongly oxidized to dark gray or black, no metallic luster, and the surface of the cold crack fracture is clean and has a metallic...

  • Causes and prevention methods of common defects in castings-Chapter Two

    Shrinkage hole Characteristics: The shrinkage hole is a surface roughened hole existing on the surface or inside of the casting, and the slight shrinkage hole is a plurality of small shrinkage holes which are dispersed, that is, the shrinkage, shrinkage or shrinkage of the crystal grains. It often o...

  • Advantages of national standard elbow

    Advantages of the national standard seamless elbow: 1. The material of the national standard seamless elbow is composed of two elements of carbon and hydrogen, absolutely no toxic substances are added, and the material of the national standard seamless elbow is related to the country. The department...


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 .