辰航新材料品牌画册（2023版）

辰航·前处理工艺中心 Chenhang pretreatment process center Automatic pretreatment process can better guarantee product quality. The surface is oiled and washed with sewage → alkali washing (degreasing) → water washing → alkali washing → water washing → passivation treatment → water washing → pure water washing. 全自动前处理工艺，更好地保障产品品质。 表面去油去污水洗→碱洗 ( 脱脂 )→水洗→碱洗→水洗→钝化处理→水洗→纯水洗。 23 智造饰面·让城市更美丽 © ChenHang New Material