HIGH BAY SERIERS1. Hook: Galvanized iron2. Housing: Die-casting aluminum housing printed surface by plasticGood erosion proof and best seal, corrosion resistance >5years3. Reflector: High purity aluminum reflector, Polishing and oxidation on surfaceMore choices: Prism, mirror, sand-blasting, cellular, PC4. Gasket: Heat proof silicon rubber seal gasket5. All exposed hardware is corrosion resistance stainless-steel. 6. Toughened glass, Glass transmittance 92%7. Gear box made by high pressure die-casting aluminum, wall thickness 1.8mm, plastic plating surface treatment, corrosion resistance>5years8. Thickness 1.0mm, made by die-casting machine, surface anodized matte treatment, to effectively prevent glarePrimary Advantages. * High quality and Competitive Price and Good service* OEM accepted* Clients' special requirement accepted* Professional and World Advanced equipment for lamps* Experienced R&D department and experts* Strong production capability for Metal Halide Lamp, Sodium Lamp, Mercury Lamp and Blended Mercury lamps* Be qualified by CE & ISOTrade Term and service, 1, Payment: T/T2, Sample can be for free. Shipping freight are quoted under your requests, samples need 5-7working days, the bulk need 20-30days. Need pay the sample fees. 3. The packing can be according to your request