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304 316 seamless stainless hlau yeeb nkab
Cov yeeb nkab steel yog lub tog raj kheej hollow ntawm cov hlau nrog lub voj voog lossis polygonal hla ntu. Nws feem ntau yog siv hauv kev tsim kho, tshuab tsim, kev lag luam petrochemical thiab lwm yam kev lag luam.
