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[ Manufacturer ]Main business are Mechanical seal material.
[ Manufacturer Trader ]Main business are Carbon product, Graphite product
[ Manufacturer ]Main business are Electrical carbon product
[ Manufacturer ]Main business are All kinds of mechanical seals, Carbon-graphite products.
[ Manufacturer ]Main business are Graphite product
[ Manufacturer Trader ]Main business are Graphite product
[ Manufacturer ]Main business are Graphite bearing