... milling, drilling, planning, grinding machinesand testing facilities CNC machining part Verified Information This information is Verified by TÜV Rheinland ... (Previous Year) Stamping Parts & Machining Parts Product Line Gearbox 1,000 Pieces / Month, Gear & Worm Gear 4,000 Pieces / Month, ... 800,000 Pieces / Month Gearbox 5,000 Pieces, Gear & Worm Gear 40,000 Pieces, Valve 5,000 Pieces, Welding Structural ...