1438931286.pngQuality is an essential part of Holy, both in terms of the parts we produce and the service we provide to our customers. 

Regardless of the size of the project, we maintain a promise of providing the highest level of quality possible. Often clients tell us that we exceed their expectations in terms of the perfect parts we provide for aero engines and aircrafts. 

How do we provide such excellent quality? One way is by not allowing anything less than the best in our Chengdu manufacturing facility or elsewhere in our company. Whether it is at the design phase, during manufacturing or at the testing stage, we always provide excellence. As well, in our dealings with customers, we are professional at all times.


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Certifications :

Holy has certifications accrued over 30 years of manufacturing experience,specializing in producing parts for the aviation industry. 

We hire only the best skilled, efficient workers to produce reliable products and deliver on time. Holy has these important certifications:

· Maintenance Organization Certification – CAAC-145 (awarded by General Administration of Civil Aviation of China)


· ISO0991 -2000 Quality Management System Requirements certificate


· AS9100 Aerospace Quality Management System Requirements certificate


· NADCAP certificate of special products and special processes (awarded by United States National Aerospace and Defense Contract party certification body)


        Nadcap certifications:

        NDT: Magnetic powder inspection、Fluorescent penetrant  inspection

        Surface treatment: Dry-membrane coating、Titanium alloy cleaning、 Passivation for stainless steel、            

                                     Anodizing、Salt spary test、Film weight test

        Heat treatment: Vacuum heat treatment、Vacuum brazing、Rockwell hardness test

· S-1000 GE-A Supplier Quality Systems Requirements certificate (awarded by United States GE Aviation)


· EHS Environmental and Occupational Health and Safety Requirements certification (awarded by United States GE Aviation)


· Site Quality Diagnostic Room certificate (awarded by United States Hamilton Sundstrand)