Shenzhen tonson tec automation equipment co., ltd, established in 1998, is one of the earliest high-tech enterprises engaging in R& D,production and sales of plasma techniques and automation equipments in china, our main products are plasma cleaner and ultrasonic welding machine. Factory is about 7000squares where there are over 150 employees, including 5 ones with doctoral degree, nearly 40 senior R& D engineers and more than 25 after-sales service personnel