Power audio company since its establishment in 1980, has grown from a family of plant development up to now has a total of four thirty thousand square meters of production factory. In this more than 20 years, with the customer to force sound trust and supplier support, strict management, advanced technology, high-quality products, reasonable price and good service, from a single product (voice coil) to the development of such as injection molding, metal stamping, assembly and other diversified products over a hundred species, some product realize the processes and services supporting the integration of production and marketing of.
Force tone, means power and sound, a symbol of strong and powerful voice. For each business and provide high quality products and service is our eternal pursuit.
Quality is the lifeline of the development company. We have the spirit of "good quality, integrity management" principle, adhering to the "customer first, quality first, credibility oriented, coexistence and common prosperity," the purpose, the use of sophisticated production equipment, high-quality materials, provide high technology, high quality products to customers; at the same time, according to the international standard 9001:2000 ISO quality system, carrying out the plan, procurement, manufacturing, sales, service the entire process management, to ensure product quality, improve customer satisfaction.
Our efforts, through the company's full participation, to leading technology, strict management, quality products, good service and reasonable price, to challenge the entire business competitive world.
Our success in the market competition, struggling to move forward in the wind and rain, with intelligence and sweat, the tree has the sound image force. Technology promotion step, management efficiency, competition advantage, enable enterprises to continuously enhance the comprehensive economic strength.
With the rapid development of technology, our innovative advantage to cater to the needs of the industrial development and to strengthen the enterprise's economic development through the high added value service, in order to achieve the purpose of sustainable management.
Dongguan factory
2002 (August) set up DongGuan Li Yin factory .

In 2007 to set up inJiangSu DongHai Li Yin factory, covers an area of 56000 square meters.