We provide a wide range of material options, the metal bars is our usual option, such as stainless steel, copper, brassaluminum and so on. Some multiple plastics is also our options. And the diameter should be from 1mm to 45mm.We have professional quality control team, which have 5 quality engineers and more than 15 inspection staff. Theinspection or testing machines must be all ready for our products, Such as proiector measure, profle measure, roundnessmeasure,100% automatic dimension measure Our core competence should be competitive and aggressive price, excellent and consistent quality performance. andflexible lead time, Looking forward to start a win-win cooperation with you!