With abundant technical strength, superior machineries, complete inspection system and advanced technical process.  Qiangli manufactures seamless cylinders of large, medium, small sizes high pressure,which range from 10-20MPa in working pressure,20-145L in water liter. Qiangli seamless steel cylinders have reliable quality, clear stamping, consistent height and elegant appearance. Qiangli supplies its superior quality products and service to both domestic and overseas market