The custom cnc turning steel part is an e-cigarette mouth tip, which were designed and made for an US customer. The material is steel, and the surface is polishing. For this precision cnc turning steel part, MOQ is 5000 PCS and the lead time is 15 days. As a cnc turning steel part factory, we could make all of the turning parts according to customer's drawings or samples. In addition, we could also do the finish treatment for these custom precision cnc turning steel parts, such as black oxiding, satin polishing, powder coating, etc.. If you want to look for a custom cnc turning steel part factory, JST will be your right choice.