Iche iche na ngwaahịa nke Handheld Gold Detector, na-enye ngwaahịa oyiyi na isi kwa na onye ọ bụla Hand N'ịbụ Gold Detector na Dual Iji Pinpointer Gold Detector; Anyị bụ ndị a ọkachamara Chinese emeputa nke Handheld Gold Detector, na-atụ anya gị imekọ ihe ọnụ!