STRONG TECHNOLOGY adopts advanced Danish laser cutting, ultra long bending machine and automatic welding machine, to ensure the accuracy and tightness of Bell (Muffle) production. The bell folding thickness is 18mm, long is 28m, muffle manufacturer, Bell for bright annealing line, Bell for vertical bright annealing line, Compound corrugated muffle, high temperature resistant muffle, Bell for nitriding furnace, carburizing furnace muffle and Bell for steel strip annealing furnace, Bell for Stainless steel annealing furnace, Bell for quenching and tempering furnace, STRONG TECHNOLOGY with its unique production technology, Enhance the support strength of the heated steel plate, achieve the effect of prolonging the service life of the Bell, and undertake large-scale incoming processing.