DSPPA Audio Co., Ltd, established in 1989, with more than 18 years experience in manufacturing Public Address System, Amplifier and Speaker. Our products are approved by the CE certificate, CCC Certificate, S&S Certificate and the Water-Proof Certificate(CNACL Certificate) with the high quality. And our company is approved by the ISO9001:2002 due to the strict management on the products. Now, we are cooperating with 2008 Olympic Games(Beijing) at 9 Gymnasiums' PS System, based on the superior quality and good service. We will say that you should favor our products to fit in with your specific requirements. And we are in a position to supply you with the first-class goods at competitive prices. Now we send our website(xxxxx; xxxxx) to you in order to introduce ourselves to you. Welcome to our website and please tell me what do you favor. If possible, we want to be your OEM Supplier for your Goods in China. We can negotiate on this matter in the next letter, based on your special inquires.