Over recent years production costs of LED devices has declined rapidly, primarily as a result of the adoption of LED technology. Costs of LED industrial lighting products do vary widely with good-quality LED products carrying a cost premium when compared with lower quality, inferior designs. The LED industrial lighting suppliers are popular for many of its advantages, like cost-effective, energy saving, long lifespan, eco-friendly and so forth. One of the most vital features is cost effective. Now let's see the features of real cost-effective LED tubes.