1, Glass marble (or Plate Glass),
2, Washing the glass marble,
3, Putting the glass marble into the argil crucible (or platinum and rhodium crucible plate),
4, Heating at 1100-1300℃,
5, Adjusting the tempreture to melt the glass marble,
6, Drawing the raw fiberglass protofilament from the bottom of crucible,
7, Softening the raw fiberglass protofilament,
8, Winding the fiberglass protofilament softened around the handpiece,
9, Taking down the reel of fiberglass from the handpiece,
10, Packing and storing.

Production workshop