Established in 2003, Shanghai You Zi Wan Import and Export Co. Ltd. is a professional industrial products manufacturer and service supplier with independent export and import right. We manufacture Boron Carbide, Boron Nitride , Silicon Carbide, Silicon Nitride and Tungsten Carbide products (blast nozzles, dies, seals, pieces, tiles ect.) and export mechanical seals (alumina, carbon, ssic, sic, tc and assembled ones according to burgmann and john crane standards), on-duty metal and compressor parts (metal and high-tech plastic-based gas valves and valve assemblies, piston bar, cooler, filter, oil scraping rings ect.. ) and carbon and graphite products.

Boron Carbide Products manufactured by ourselves are our core business which includes nozzles , seals, bullet-proof pieces, wire-drawing dies, ceramic or forming dies, tread guides, armor and reactor control rods , neutron absorbing shield and other processings according to the drawings supplied by buyers. Also, we supply Tungsten Carbide, Silicon Nitride, Boron Nitride and Silicon Carbide nozzles and other on-duty parts with the materials.

Mechanical Seals (assembled and partial alumina, carbon, ssic, sic, tc and assembled ones according to burgmann and john crane standards), on-duty metal and Compressor Parts (metal and high-tech plastic-based gas valves and valve assemblies, piston bar, cooler, filter, oil scraping rings ect.. ) and carbon and graphite products.

Our goal is to partner with our customers through directing all of our resources including our high quality, reasonable price and expertise in these fields to enhance the performance of their products while advancing their market position. Inspired by the commitment, we are making more efforts in the hope of making more value for our customers.