Professional Custom Lamp Holder Accessories Manufacturer

The porcelain lamp holder of the high-pressure sodium lamps and metal halide lamps:                                                                            The porcelain lamp holder is the lamp and cap, the circuit is connected. The long-life bulbs requirements lamp with glass bulb connection should be solid, not loose and fell off. So generally use the threaded mechanical fastening technology prevents welding mud natural aging off. The manufacture of the lamp cap material is generally brass strip and the lampholder, it may maintain a small contact resistance, reducing the metal surface oxide layer. Such as light bulbs used in special environments, can brass lamp surface coating layer of chromium or nickel layer. Specifications: E27, E40 two kinds.