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ADD:Dengyun Ave.#10-10 Tangbudong Village,Nancun Town,Panyu Guangdong,China.

Company profile

GRF is the Brand Name of Guangzhou DEMA Electronics and Sound LTD which was found in 1989 (We used to call Leilotto Pro Audio Factory ) in Guangzhou, China with coverage more than 25,000 SQM. We are specializing in research, developing, manufacturing, sales and technical services in Professional Sound equipment.
We strictly follow the ISO9001:2000 in production, material purchasing , manufacturing and customers services. Most of GRF products had been certificated by CE or CCC/CB, all the line array system is supporting EASE FOCU Software by EASE company. We also use testing software as EASE, Smarrtlive, CLIO & LMS in our R&D or productions. We always persist the spirit of innovation & exploration.  
GRF products has been used in thousands application which shall including live shows or fixed installations in over 60 different countries/area. When we look back on the glory in the past years, we are very proud that we have been providing customers excellent products with superior services and receiving customer’s highly satisfaction. 
With the brand connotation of Global Reliable Fine Sound, we will upgrade our products with latest technology continuously !