把手均为SUS304制作
护盖底座均不锈钢冲压
通过EN1906，3/4级20万次开启，EN1634防火2小时
表面处理：SS,PVD,PS
Material: stainless steel 304
Inner rose and inner escutcheons are made by stainless steel
EN1906 grade 3/4, EN1634 2 hours fire rated
Finish: SS, PVD AND PS
