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Over 40 years of Metal Surface Treatment Services | A&1

A&1 Group, since 1979 is a metal part surface finishing and treatment service provider based in Metal Industry.

Over 40 years of professional IATF16949 & TS16949 certified metal part finishing and treatment services. Metal part surface treatment for auto parts, medical equipment parts, golf ball heads, labels, electronics parts, name plates, etc. One-stop metal surface treatment such as sandblasting, hairline, etching, laser, printing, painting etc.

A&1 has been offering customers high-quality metal surface treatment for metal parts, both with advanced technology and 39 years of experience, A&1 ensures each customer's demands are met.


Brush the metal surface with gauze to make the surface evenly hairline, and through the direction of the drawing machine and the thickness of the emery cloth, it can be made into straight lines, spin lines, threads, corrugations and other thickness effects

hairline machine

hairline machine

hairline machine+anodizing:

hariline effect

hariline product:

hariline effect2