We produce all kinds of different size spring pins and spring rolled pins.
2
本厂建于80年代初,主要生产钻机配件,弹性销, 空心铆钉。
The factory was built in the early 1980s, the main production rig accessories, flexible sales, hollow rivets.
3
针对井下单体液压支柱上所使用的弹性圆柱销加工中所出现的裂纹问题,进行了分析并提出了解决办法。
In this paper crackle problem in the processing of elastic pin which is used in underground single hydraulic support is analyzed on mechanics and resolution is put forward.