Various Kind of Options Available

Surface Finishing Treatment for both Metal & Plastic Parts

Surface Finishing Treatment

Surface finishing refers to different processes used to alter the surface of a manufactured product to give it a distinct or desired look and feel. Different techniques are used to improve the appearance, adherence, solderability, resistance to corrosion, hardness, conductivity and many other characteristics of industrial components.

3Q Machining offers a high quality surface finishing service for all components and parts regardless of the machining method used in producing them. We have some skilled experts who only handle finishing assignments so the quality of work done on your products is of exceptional quality. If you desire a perfect finish for your prototypes and other manufactured components get in touch with our customer services team for a quick and accurate quotation.

What surface finishings are Available?

Titanium CNC Machining

High gloss mirror polishing

Sanding & polishing is one of the most common finish for prototyping. Sanding is very basic process to remove cutting marks or the printing marks, in order to get smooth surface. Get ready for further finish such as sandblasted, painted, chromed…

Started from rough sand paper, when you reach 2000 sand paper the part surface are smooth enough for high gloss polishing to obtain shiny surface or mirror look, transparent such as light guide, lens.

painting finishing treatment cnc machining


Painting is a very flexible way to create a different surface appearance.

We can achieve:
Matt or Glossy Texture; Soft Touch ( Rubber painting)

Tinted cnc machining plastic machining automotive


Tinted is another option to color plastic prototypes besides painting. It is a good solution for turn signal, tail lamp.

Material suit for tinted:







The most popular way to create a decent surface for electronic products. Apple almost uses anodized for all their products.
We are offering:
Anodized Type 1

Anodized Type 2

Anodized Type 3

Chemical Film/Alodine

Chromed & Metallizing

Chromed & Metallizing

This type of finish is only created protect layer, but also a super look.


Chrome Sputtering

Color Plating

Zinc Plating



plastic cnc machining Electronics


There are various ways to create a logo, symbol, and text on your prototypes or production parts.
We can offer:

Pad Printing


Laser Engraving


We are also providing:
 Powder Coat



Sandblasted & Bead blasted

Heat treatment

Black oxide coating 

Water Transfer

Come To Visit Our Company

Contact Us For Your Custom CNC Machining Part Products

Working hours

Monday- Friday:8:00-18:30 Hrs
(Phone until 17:30 Hrs)

We are here

NO.8, Mingkangheng Street, Liaobu Town, Dongguan City, GuangDong Pr, China 523000
Tell:+86 679 8629 4856

Leave Your Question & Needs Here

Our project support team will have feedback for you within 1 working day! Or You Can Send Email to: