siyah silisyum karbür nedir?
Black silicon carbide is a kind of silicon carbide, which is a hard hexagonal crystal generated by smelting quartz sand and petroleum coke at high
Menü
Black silicon carbide is a kind of silicon carbide, which is a hard hexagonal crystal generated by smelting quartz sand and petroleum coke at high
info@superior-abrasives.com
+86- 371- 6389 8989
No.68 Zhengtong Yolu, Zhengzhou, Henan, Çin