Dalian Electric Quartet started in 2001 and silicon carbide-wide research and development of ceramic friction, bearings, bearing kits, thrust plate are SSiC sintered material.

• 大连四方电泵从2001年开始进行全碳化硅陶瓷摩擦副研究开发，轴承、轴承套、推力盘均采用无压烧结SSiC材料。