Welong  Machinery  is  a  20 years old metal products supplier, certified with ISO:9001-2015.  We supply the follwing products to the international customer.  Welong is keep trying our best to improve the reputation of  "Made in China" over the world. 
Our main business is make production by incoming drawings and samples. We service all the international  industrial companys.  
Sand CastingandInvestment casting in gray iron, ductile iron, carbon steel, stainless steel, special alloy steel from 0.5kgs--12000kgs

 

Sand CastingGravity castingandDie casting Aluminum alloy Zinc alloy,  Magnesium alloy,  Copper alloy,  Aluminum copper alloy,  Aluminum magnesium alloy,  Aluminum Zinc Alloy from 0.02kgs to 20 kgs 

 

Centrifugal casting  Carbon steel, Stainless steel, Alloy steel, Superalloy steel, etc.
Max casting weight: 3000kgs
Max casting length: 4000mm
Max diameter: 2000mm
Min diameter: 70mm
Min wall thickness: 8mm

 

Forging in • AISI 4145H , AISI 4145H MOD, AISI 4330   AISI 4330V AISI 4142  AISI 4140•  410SS  OD from 5“to 42” Length: max 6 mters

 

Machining parts we have 5-axis CNC, 7 axis CNN, severial 


Lathe, Milling , Planer, Grinding  ect  we can machine from 0.1kgs to 1 ton parts from casting, forging and stock bar

 

Surface finish: 
Shot blasting, Painting, Galvanizing, Powder coating, atotech  ,dacromet,  Bluing  

 

Our engineering department can also design the drawings for you . We use Auto CAD, Pro-Engineering,  Solidworks, We can accept the files *.igs, *.aics, *.dwg, 

 

In the past 20 years, our products shipped to UK, Germany,France, Italy, Poland,  USA,Canada Holland, Sweden, Austrial,New zealand, Singapore,India  more than 100 customers in Auto industrial, power industrial, Petro drilling industrial, and agricultural.

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