CNC Machine FAQ For Customer|PTJ Hardware, Inc.

CNC Machining Services china

What is your lead time for production ?

We can complete the orders of mill finish in about 7~10 Days, powder coated or anodized in 15~20 Days.
The shipment can be done within 25 Days.

Do you provide samples ? is it free or extra ?

Yes, we could conditional offer the sample for free charge but do not pay the cost of freight.Because
some samples are not directly available for free.

How long is your delivery time?

1) If you need some metal parts to test,we can make as per your request. Please provide us detail drawing for Making.Or
choose from our catalog. You should pay for the transportation freight of samples and sample cost.
2) Lead time for making sample:about 2-7 days.

How long if your offer qutation ?

Your inquiry will be answered within 2~3 hours.Customer service 24 hours online for Solve your problem.You can contact us by Request a Quote.

The color of aluminum is relatively dark after anodizing, so how can we make its surface brighter?

Can Copper Be Anodized?

Copper cannot be anodized

Is The Anodized Parts Conductive?

Anodizing is actually not conductive. Moreover, the thicker the film layer, the higher its impedance.

What is the difference between aluminum profile anodizing and natural oxidation?

The difference between anodizing and natural oxidation of aluminum profiles is mainly due to the thickness and compactness of the oxide film produced. In addition, the former film thickness can be controlled.

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