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We can produce and supply to you various steel pipes according to international standard. Black steel pipes are used in the following fields, steel structure, build structure, transportation of low pressure liquid and gas etc. Our products are exported to about 50 countries in the world; we get a lot of recognition from many customers since our good quality and service.Production standard: ASTM A53, BS1387, EN10255, EN10240, EN10220, EN10219, En39
