washer,speaker washer,Top plate we can supply all loudspeaker fitting More models and specifications, pls check out our websit washer,speaker washer,Top plate1. Material: Iron 2. Thickness: 1.5-10mm3. Surface treatment: Chrome coating, Ni coating, plastic jet, spray -paint etc. 4. More models and specifications, pls check out our website. 5. OEM according to clients' requirements.(We can produce ...