Haier

Customer case | Haier

In home appliance manufacturing, sheet-metal surface treatment connects fabrication to subsequent coating. To meet Haier’s sheet-metal treatment needs, Qingyuan supplies QOH-63A and QOH-63B degreasing products together with QSI-50 and OSI-6 silane treatment agents, covering surface cleaning and silane treatment. These products help remove surface oils and prepare sheet-metal parts for subsequent treatment, supporting pretreatment quality management. Qingyuan’s specialist products and practical services support production needs, contributing to Haier’s consistent output of conforming products and stable production quality.