2. Huitong Automatic equipment technology co., ltd was found in2001, which is located in beautiful Wanjiang district, Dongguan city, China. Huitong is a high technical private enterprise, which owning independent import-export operation rights. Since our company establishment,, the company has been devoted to optimization and integration ,which include developing, producing selling departments. Moreover, Huitong always focus on ultrasonic technology application and development in industry for these years. So far, Huitong has established our own brand "Sinvta", in other words, Huitong has registered "Sinvta" trademark. Nowadays, there are more than 200 staffs in total (more than 60 technicians and managers with college or above degree). Furthermore, the headquater covers more than 2000 square meters areas. Meantime, there are many Huitong branches around in China.