Shanghai Penghong and its sisters company, Qingyue Electronic Technology, with more than ten years of experience in the field of selling and installing of audio equipments, are about to  provide you with one-stop audio products export service.Customization is also one of our service, we  provide OEM services. We can also provide customers with export services such as chemicals and any other products in case of that it is required by our customers.Our creed is' best quality together with best service '. We produce all···