Shanghai You Zi Wan Import and Export Co. Ltd.

We manufacture boron carbide, silicon nitride, nitride and tungsten carbide products (blast nozzles, dies, seals, pieces, tiles ect.) export mechanical seals (alumina, carbon, ssic, sic, tc assembled ones according to burgmann john crane standards), on-duty metal compressor parts ...

Telephone：86 - 21 - 36160633Address：Suite 702 No. 3 Lane 112 East Boshan Rd. Shanghai 200136 China