The dish heads made by integral hot stamping technology ranging from Φ89*Thk 20mm to Φ6000*Thk400mm; Meanwhile, the dish heads made by integral cold stamping technology ranging from Φ59*Thk14mm to Φ3000*Thk26mm. We can form spherical shell plates with nominal capacity ranging from 50m3 to 1000m3 in order to meet market requests for large pressure vessels. More than 100,000 pieces of dish heads and spherical shell plates have been dispatched to our clients at home and abroad, getting good feedback in quality, service, and work period.