However, the most embarrassing thing is that the T5 high bay lights upstream of the stock crisis, how to relieve, is a very difficult problem to solve. Shares the same side, vice president of Lianghai MOCVD one day out of two furnaces, one day the cost is $ 10,000 a month is $ 300,000, but cannot easily stop. Once shut down, and then to begin production, product quality to achieve the original level, in general but also three, customer certification of T5 high bay lights chips and packaged devices may need to be 3-6, “where the loss is incalculable.” Perhaps based on this, since 2011, three safety photoelectric stock of LED high bay lights has been in a doubling of momentum. Discovered in 2011 and 2010 quarterly earnings report from 3 An optical three photoelectric safety inventory in early 2011 only 310 million yuan in the first quarter has increased to 481 million yuan in the second quarter to grow again to 670 million yuan, the third quarter surge to 933 million yuan, compared to the beginning of the year, 310 million yuan, an increase of more than three times. 3 An optical three quarters of 2011 total revenue was 1.169 billion yuan. 3 An optical two-year earnings figures calculated in 2011, the inventory turnover rate in the third quarter, safety optoelectronics (inventory turnover frequency) is 1.12, while over the same period in 2010 was 2.27; optical inventory turnover in the first half of 2011, three security was 0.92, while over the same period in 2010 was 2.11. The inventory turnover reflects sales efficiency and the efficiency of inventory use. The amount of inventory turnover ratio fell, indicating that the deceleration of corporate inventory turnover, sales decreased ability to operating funds used in the inventory will be more.