Semicorex has been producing SSiC;recrystallized silicon carbide;sic ceramic;high purity silicon carbide;cvd sic process;high vacuum o rings;o ring for vacuum sealing;o ring semiconductor;mechanical seal;sintered sic; for many years and is one of the professional SSiC;recrystallized silicon carbide;sic ceramic;high purity silicon carbide;cvd sic process;high vacuum o rings;o ring for vacuum sealing;o ring semiconductor;mechanical seal;sintered sic; manufacturers and Suppliers in China. Once you buy our advanced and durable products which supply bulk packing, we guarantee the large quantity in quick delivery. Over the years, we have provided customers with customized service. Customers are satisfied with our products and excellent service. We sincerely look forward to becoming your reliable long-term business partner! Welcome to buy products from our factory.