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Project Handling
GWP How-we-do-business.pdf
GWP RFQ-Checklist.pdf
Sample inspection report.pdf
Final inspection report.pdf
Sample production schedule.pdf

General Information
Fuwei structure.pdf

Alloys
Aluminum alloys for die casting.pdf
Zinc alloys for die casting.pdf
Aluminum alloys for chill casting and low pressure casting.pdf
Aluminum alloys for extrusion.pdf

Technical Standards
General tolerances.pdf
Acceptable quality level.pdf
Comparison alu norms.pdf
Tolerances for aluminium die castings.pdf
Tolerances for chill casting.pdf
Electrical protection class.pdf
Confrontation ISO-DIN-norms.pdf

GWP works according to these company standards. The GWP company standards fulfill the requirements of DIN and ISO-Standards and sometimes even higher requirements.