The glass is melted and molded. Generally, after the mold has been manufactured, glass melt is injected into the mold or glass debris is stacked in the mold which has been pre-manufactured. The mold is melted in the furnace together with the mold, and annealed after the mold with glass area is anastomosed.
The general techniques include wax loss casting, lamp processing, groove sinking, flower propagation and flower propagation.
Others have some craftsmanship. Such as: pile flower technology, drip coagulation method, entanglement and diarrhea method, gayou method, silk laying method.