China's top 10 IP Surveillance Products (IP camera & NVR) Developer and manufacturers (companies) Ranking

1.Hikvision: Hikvision is China's largest manufacturer of security products and solutions provider, is one of the world's best-known security companies, but also companies listed on stock exchanges in Shenzhen, China. This company can provide from DVR, network video recorders, network cameras so the full range of products and solutions currently developing very rapidly, very well-known brand, the price is disclosed. The Headquarter is in Hangzhou city, Zhejiang province, China.
2.Dahua: Dahua is also famous China’s security products developer and manufacturer, the company scale is only have a half of Hikvision, also in the Shenzhen Stock Exchange listed company. Their products are same as Hikvision. Dahua take competitive strategy is low price , products and technologies follow closely Hikvision, but technology ability is less than Hikvision much. The Headquarter is in Hangzhou city, Zhejiang province, China.
3.Uniview: Uniview is from Huawei and 3Com joint venture company H3C, this company was mainly to develop video surveillance system management software, and in recent years began to develop NVR, network cameras, providing high-end IP video surveillance products and solutions to government department. Like with Hikvision and Dahua, also in Hangzhou, Zhejiang Province of China. The Headquarter is in Hangzhou city, Zhejiang province, China.
4.Kedacom: Kedacom mainly provides network video recorders and video surveillance management software, which offers before this company video conferencing systems, video conferencing systems and later applied to a network video recorder technology development, and the first in the country to develop a network camera, but later extended to network cameras. The main business is for the Chinese government and other departments to provide high-end system solutions. The Headquarter is in Suzhou city, Jiangsu province, China.
5.Histream: Histeam is one of China's earliest developer of network video surveillance products companies, another company is Launch Digtial, Histram & Launch are two of the best-known IP cameras development company in Shenzhen, many analog camera manufacturers and trading companies buy from them. Histeam has very strong technical capabilities, but because of shareholder disputes and senior management problems, started to decline since 2013 and recently its looks like will be closed. The Headquarter is in Shenzhen city, Guangdong province, China.
6.Launch Digital: Launch Digital is another one the most famous network video encoder  & decoder, IP cameras developer in Shenzhen.However, due to the security market is very competitive, the company has begun to make a transition intelligent management system development of the power industry, no longer invest in the development of network video surveillance products. The Headquarter is in Shenzhen city, Guangdong province, China.
7.Sysvideo: Sysvideo was founded in 2012, is a relatively new brand, you could not heard this name, but its technical team are  from other well-known IP surveillance companies, such as Dahua, Histream, and most of the technical staff have more than 5 years of network video surveillance product development experience. The company's main products are high-definition IP network cameras and HD network video recorder, positioning the company is to provide professional OEM products and service to security customers. The company is currently developing rapidly. It has provided OEM services for many large security companies of Russia, Brazil, the United States and other countries. The Headquarter is in Shenzhen city, Guangdong province, China.
8.Xiongmai: The team is from Dahua, this company focus on providing low-end IP camera, DVR, NVR main board, their price is very cheap, but their service is not flexible, if you have enough technical ability, you can buy parts from them and then assemble it. There are many analog camera manufacturer buy IP camera board from Xiongmai. The Headquarter is in Hangzhou city, Zhejiang province, China.
9.Jovision: it is similar with Xiongmai, providing IP surveillance products parts, it is the main competitor or Xiongmai. The Headquarter is in Jinan city, Shandong province, China.
10.Sunell: Sunell is a old security company, it was founded 10 years ago, they developed high quality analog camera before, but they start to develop IP cameras in recently, and released some HD IP cameas. The Headquarter is in Shenzhen city, Guangdong province, China.