MDFA is a leading High Tech Company, specialized in the research, manufacture and sale of automatic control products. We strictly follow the principle of "people first, science and technology on top", based on professional technicians with profound expertise and sophisticated testing apparatuses. Our company developed the series of high-performance SY series mico-direction control value have reached or exceeded the quality of similar foreign products, and can instead of imported products. Our company sticks to ISO9000 quality system standard, "Quality first, customers being up" is our management policy.We look forward to communicating with customers at home and abroad, create beautiful future.