Based on domestic market and expand overseas business is our improvement strategy for Loudness Analyzer, Rf Power Amplifier, Mic Voice Test, High Temperature Corrosion Resistant Coatings,Loudspeaker Membrane. Presently, we are looking forward to even greater cooperation with overseas customers based on mutual benefits. Please feel free to contact us for more details. The product will supply to all over the world, such as Europe, America, Australia,Victoria, Mexico,Madagascar, Tunisia.Company name, is always regarding quality as company' s foundation, seeking for development via high degree of credibility , abiding by ISO quality management standard strictly, creating top-ranking company by spirit of progress-marking honesty and optimism.