- graphite
- 2017-01-17 20:36
- graphite
- mechanical seal,wear resistance graphite
- 2016-10-28 13:44
- strong resistanceself lubricityhigh coefficient of heat conductivitysmall expansion coefficientlow frictional factorThe
- crucible
- 2016-10-24 18:38
- Nantong Sanjie Carbon Co.,Ltd is a high technical enterprise in manufacturing carbon product.Our production technology l