SONCM Shengmei (HK) Industrial Limited (Domestic Company: Shenzhen Yingsiqi Electronic Limited) is a company specializing in the research and development, manufacturing and sales of headphones and microphones. The factory was established in 2005 and focuses on accessories for mobile phones, cameras, computers and other digital devices.The factory covers an area of more than 5000 square meters and has a vigorous team of more than 100 people. So far we have passed ISO9001:2015 quality management system, ISO14001:2015 environment management system, OHSAS18001:2007 occupational health and safety management system.