Professional Fireworks 6" Display Shells Shape: Ball or Cylinder Packing; 10/1 Brocade Crown, Peony, Wave, Chrys, Willow ... etc Professional Fireworks 6" Display Shells Shape: Ball or ... Our firm was built in 2001. We mainly manufacture and export Display Shells, Cakes, Roman Candles, Fountains, Stage Fireworks, and Toy ...