Commercial Lighting Professional Sound Outdoor Speakers Stage Equipment Each Field Application Special Requirements Pa System Diversity Ks Systems Always Guarantees Successful Theaters Live Stages Comprehensive Large Rooms Tents Major Open Air Events Unlimited Capacity Casings Loudspeaker Made Torsion Resistant Watertight Glued Plywood Extremely Robust Black Pu Coating Surface Painted Any Shade Color Request Plastic Coated Protective Grids Steel Without Acoustic Foam Further Features First Class Products Relevant Options Rigging Stacking And ...

Nai Hsin the Method of Metallic Surface Treatment different with usual electro plating, adopting metallic Zn al scaling & special inorganic monomer, with high temperature proceeding, the oxygen & moisture in the air be isolated with this Zn al inorganic coating, Organic Products ...