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[ Manufacturer ]Main business are Chemical pipeline and fittings
[ Manufacturer ]Main business are Environmental protection purifying plant, Boiler
[ Manufacturer Trader ]Main business are Steels
[ Manufacturer ]Main business are Steel tube
[ Trader ]Main business are Steel products
[ Trader ]Main business are Alloy-steel tube
[ Trader ]Main business are Steels
[ Trader ]Main business are Steel tube and pipe