They have been in the ultrasonic industry for more than 5 years and have rich experience in ultrasound.
ພວກເຂົາໄດ້ຢູ່ໃນອຸດສາຫະກໍາ ultrasonic ຫຼາຍກວ່າ 5 ປີແລະມີປະສົບການທີ່ອຸດົມສົມບູນໃນການໃຊ້ ultrasound.