Level 4 Casting + molding,metal alloys CAT000145 Casting + molding, non metal CAT000146 Forging CAT000147 Welding, precision welding CAT000148 Sheet metal work CAT000149 Custom made small pcs - 100kg-CAT000150 Custom made large pcs - 100kg+ CAT000151 Standard production items General machining ... cons,films,plates CAT000281 CAT000272 …
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