擦老太BBB擦BBB擦BBB擦,四川BBBB搡BBB搡B1,特级西西444.WWW人体聚色,亚洲va欧美va天堂v国产综合,国产一级a毛一级a看免费视频

Graphite products
  • Graphite products
  • 石墨件制品
  • 石墨件制品

Graphite products

Graphite products
Recommendation index:

      Graphite is an attractive material for its low thermal expansion coefficient, good chemical stability, excellent thermal shock resistance, high thermal conductivity, high electrical conductivity and mechanical processing properties. It finds wide applications in industries such as chemical, semiconductor, electrical, metallurgical, mechanical, nuclear energy and aerospace. 


Parameter index