Weâ??ve 15 years of R&D experience. Thanks to advanced equipment from Japanese Yamaha. And some of components from Germany, the US, as well as the 24-hour aging tests we administer on our products. So we maintain a qualification rate of 99.9 percent. This is major reason why many of our buyers from Americans and European. We have the expertise necessary to make not only traditional digital panel meter but also specialized meters. Our competitors may sell similar products, but we own the design patents. Our daily output capacity of 2, 000 sets allows for a fast delivery time of three days. You can place a mini-order from 5 sets to us.