Low damage rate Our induction high bay lighting cases show that many of our customer have bought our light more than 5 years and their lighting repair rate of less than 1%. Superiority of the induction lighting In the absence of electrodes, induction high bay lighting have a longer lifespan than commercially available LEDs or HPS lamps, long-term use benefits greatly increased. Worldwide projects guidance We have serviced more than 1200 clients around the world, and can provide induction high bay lighing installation instructions, and other services like Illumination, lumen,density? We only focus on induction lighting production We have produced induction high bay lighting since many years ago,and we have a great induction lighting expert, engineer mao, who has committed to the research of the induction lighting for more than 20 years,that's why we are the most professional induction lighting in China. One-step security services Delivery Time The delivery time for sample order is about 3 to 4 days. And for big order, it's about 7 to 15 days.Above information is just for your reference. If you need to know the exact delivery time,please feel free to contact us. Shipping Method The goods can be shipped by air or sea via DHL, UPS, Fedex and so on. The final shipping way depends on you and the order quantity. After sale services When receive the goods When receive the goods, please check the carton package and product appearance within 10 days; if damage, please take pictures and feedback to us, we could send a complaint to the forwarder and apply the reparation to send the new goods to you. Replaceable Just in case, once your order quantity over 50 pieces, we will prepare 1 more set of tube and ballast for you as stocks, it will plus in proportion. If it cant work During 5 years warranty, if the light can't work, please check which part is broken, and using the stocks to replace; at the same time, please send pictures to us, our engineer will check it and confirm the problem and improve the quality. If the stocks run out We still have new light to replace, we will send the new goods to you in your next order.