Investment Casting & Sand Casting Foundry

Castings of Stainless Steel, Alloy & Carbon Steel, Cast Iron, etc.
  • china metal foundries
  • investment casting company in china
  • sand casting production line
  • china investment casting foundries

about us


Rinborn Machinery Co., (RMC) Foundry, was founded in 1999 by our founding team based in Qingdao, Shangdong, China. We have now grown to become one of the finest metal forming companies with processes of investment casting, sand casting, shell mold casting, lost foam casting, vacuum casting and CNC machining.


With our fully organized facilities and rich experience in engineering and manufacturing, we utilize the new advanced technologies which help us produce complex, high precision, near-net or net castings from a range of ferrous and non-ferrous metals.

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  • Austenitic Stainless Steel
    Austenitic Stainless Steel
    Austenitic stainless steel refers to stainless steel with an austenitic structure at room temperature. Austenitic stainless steel is one of the five classes of stainless s...
  • Gray Cast Iron Mechanical Properties
    Gray Cast Iron Mechanical Properties
    Gray iron, or grey cast iron, is a type of cast iron that has a graphite microstructure. It is named after the gray color of the fracture it forms. The gray cast iron is u...
  • Grey Cast Iron Magnetic Properties
    Grey Cast Iron Magnetic Properties
    Gray Iron Comparison Microstructure(Volume Fractions)(%) China(GB/T 9439) ISO 185 ASTM A48/A48M EN 1561 Matrix Structure HT100 (HT10-26) 100 No.20 F114...
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