Defeng Mechanical Manufacturing Limited quality control

Quality Control

Our factory mandates comprehensive training for all personnel prior to commencing duties, with particular emphasis on technical operatives and welders who must possess professional qualifications. We strive to provide clients with optimal solutions and recommendations.

Prior to production, all dimensional specifications must be verified and confirmed with the client.

Upon completion of manufacturing, every product undergoes rigorous testing for pressure resistance and sealing integrity.

Upon customer request, third-party testing organisations may be engaged to conduct performance testing and certification of the product.

The raw materials procured by our company have all undergone third-party composition testing.