Haida is a test machine manufacturer over than 20+ years. Providing OEM & ODM service for customers. With the persistent efforts of all staff, Haida owned 4 factories with total 60,000+ square meters, 15+ branch offices covers South China, North China, East China, Central China and Northwest China, as well over 20+ overseas after-sales service sites covers Southeast Asia, Europe, North America and the Middle East with 28,000+ customers.