Copper:

Copper: ALSO called copper, namely pure copper, copper and brass in color and quality are different! In fact, the color is clear at a glance, as the name implies! Due to the surface oxidation, there is a layer of red cuprous oxide, looks like a purple color.

If you have any questions, please contact us. Our company can produce various customized needles, medical needles, puncture needles, hypodermic needles, biopsy needles, vaccine needles, injection needles, syringe needles, veterinary needles, pencil point needle, ovum pick up needles, spinal needles, etc. If you need customized needle products, please contact us. We look forward to your inquiry! The quality of the products manufactured in our factory will surely satisfy you!

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