Build in 2004 ,Guangzhou Chnlan Trading Ltd (CTRLPA) is located in the beautiful Guangzhou City, is a supplier of Smart home ,public address system and audio products. Our company is devoted to designing, manufacturing and wholesaling smart home ,commercial audio system, public address system amplifier and loudspeaker. Through the joint efforts of our professional working teams, our products have enjoyed a good fame in the world. All the products have passed CE, CCC, FCC and waterproof certificates. Our tenet, profession, integrity and win-win, have won us a lot of customers from Europe and America, Southeast Asia, and etc . The products have successfully handled the 2008 Beijing Olympic, the Expo 2010 Shanghai China, Singapore General Hospital and many other projects at home and abroad. Our products are also widely used in different fields such as smart home , hotel, school, commercial center, station, theme park,factory ,restaurant ,store and zoo and so on. With the advanced technology, excellent selling group and unique culture, we dedicate to developing our brand and improving the social environment for domestic and overseas. Being a leading supplier in the PA industry, we sincerely provide high quality products and professional service for you. We believe, we can and will be your strong and long-term partner. To create a win-win situation in the near future, we need you to take a small first step.