Coiwin Shenzhen City Digital Technology Co., Ltd. was established in 2005, is a research and development, production and sales of audio manufacturing companies. At the same time in order to further explore the international market, expand the strength of the company in 2011 and successfully registered a company - "the record surplus of Hong Kong Limited, and have" Coiwin "own brand.

Record surplus to focus on the audio industry, in order to ensure the implementation of the company's long-term strategy of sound, the company hired a group of high-quality, multi-skilled managers and technicians of the main bone, the average age around 25-35 years old, and engaged in the multimedia industry for many years and have rich to actual combat experience. Condensed into a vibrant, enterprising, and proud of the marketing team and R & D team and excellent quality, excellent service, to customers on the principle. The products have been exported to dozens of countries and regions in the United States, the Middle East and Southeast Asia, established a marketing network all over the country and established long-term strategic partnerships with many famous IT brands. To the world promotion brand "Coiwin", while also stepping up to the OEM and ODM cooperation with major companies in the world.

Corporate philosophy: People-oriented, letter to the Road, the highest first

Enterprise Programme: Some people get rich together to achieve common dream.