Yangsheng Electronic was founded in 2000, which specialized in manufacturing audio series products such as horn speaker of PA-speaker system, driver unit, column speaker and ceiling etc. Occupation of land 5000M2, produces house 2000M2. Possess much persons of professional designing and technological administrative staff. The quality management system of the
Aupax Industrial (HK)Co,LTD,is a high-tech enterprise which specializes in research and development (R&D), production and marketing of security alarm products, providing customized security accessorie