Lighting Best International Limited is a professional manufacturer engaged in the research, development, production, sale and service of LED high bay lights, led projector lights, led flood lights, led street lights &led tunnel lights. We devoted to high power LED lighting from 2006. With more than five years of experience in heat sink & waterproof research, right now we could produce 600watts led high bay lights &1,200watts led projector lights. If you have any new ideas or concepts for the products, please contact us. We are glad to work together with you and finally bring you the satisfied products. Lightingbest always keep the spirit of "Efficiency, Quality, Fast, Timely". Normally 1000pcs led high bay lights could be ready in 10 days. And we have built a modern quality management system which is in strict accordance with the international standards ISO9001:2000. Our products defective rate is under 3 ‰, that's the high quality, high efficiency, and fast delivery time we are pursuiting. Also our products are widely used in seaports, airports, sports fields, factories, hospitals, schools and hotels, both at home and abroad, such as Hong Kong International Terminals, Hong Kong International airport &Wuhan University. Lightingbest has abundant financial resources and advanced equipment including Spektron integrating sphere& Goniophotometer. Besides our products have got CE, ROHS,PSE,SAA & DLC certificates and IP67 &safety test reports.