... canvas welding,Advertising cloth,havelock welding,leather or fabric welding,PVC PET pressure,blow air toys,shoes, ... the length of the belt.4.Adopting high sensitive anti-sparkle device,avoid damaging the ... mould.5.High quality imported apparatus,the longest welding length ... be 2000MM one time.6.European model squarness high frequency vibration box,more realible and stable ...