Shanghai Dingli Needle Detector Instrument Co., Ltd is the drafting company of light industry standard(needle detector) of the People’s Republic of China. Our company is the main factory manufacturing the needle detector in China, is the leader in technique industry, passed the ISO 9001 International Quality Certificate and CMA.We have numerous guests and we also export our products to Japan, USA, Europe, India, Bangladesh, Malaysia, Indonesian, Singapore, Turkey, Mexico, Korean, etc.