... 16metersStandardBS1387, ASTM , ASME , EN , DIN ,GB,MaterialQ195 ,Q235,A53,A106,API 5L,SPHCApplicationPetroleum, power,gas metallurgy, papermaking, chemical, medical equipment, aviation, boiler ... factory area is 6500 square meters. We produce welded pipes, galvanized pipes, spiral pipes, square pipes, . Our company's products are exported to Brazil ...