Quality control

The international reputation of our company is based on our continuous efforts to achieve quality. We rely on long-term experience, expertise and reliability of our employees.

EN 9100:2009 certification ISO 9001:2008 certification

The quality of our products is systematically planned, monitored and tested during production. The results are documented in measurement reports and certificates:
· Material certifications according to DIN EN 10204
· Heat treatment protocols
· Annealing records
· Dimension records
· Gear measurement diagram and contact pattern inspection
· Certificates for classification societies such as ABS, DNV, GL, BV, etc.
· Certificates according to DB quality inspection I

Nanjing Perfect Machinery Co.,Ltd.
WELTER zahnrad GmbH
CAVEX Germany

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