Dongguan Deltaunited Instrument Co., Ltd.(Delta United) was established in 2004. It is committed to the design, development, manufacturing and sales of test instrument products, and upholds the belief of innovation, precision and reliability; providing innovative and convenient products to Improve customers' production efficiency and product quality. Since its inception, we have developed many breakthrough technologies in the field of testing instruments, providing more high-quality design and higher-value products and quality services to our customers.