JEWEL SHAFT TIP, JEWEL PEN TIP, JEWEL CONTACT

The synthetic sapphire/ruby shaft tip and recording pen tip are mainly used in the recording pen tip of various automatic recording instruments such as thermal instruments, railway and aviation surveying and mapping. At the same time, it can also be used as a high- pressure, fire-proof and anti-riot cutting nozle in mechanical processing. Jewel contacts are mainly used in measuring heads, calenders, and insulated contacts of various precision measuring instruments.