China, a country in East Asia, is listed as one of the most successful countries in the world. It has the world's fastest-growing economies because of opening up to investments and foreign trade. In addition to this, it is known as a superpower country due to its great trade-in the domestic gross product. 
There are present many technology companies in China whose aim is to produce and develop new technology but big seven of them are as listed below
Tencent
Xiaomi
ZTE
Lenovo
Huawei
Baidu
Alibaba
Moreover, technologies in China have developed quickly from the 1990s to the 2010s. Currently, China is considered a World leader because of rapid advances in different areas including infrastructure, high-tech manufacturing, academic publishing, education, and commercial applications. 中國的技術公司
中國是東亞國家，被列為世界上最成功的國家之一。由於開放了投資和對外貿易，它擁有世界上增長最快的經濟體。除此之外，由於其國內生產總值的巨大貿易，它被稱為超級大國。
中國目前有許多旨在生產和開發新技術的技術公司，但以下列出了其中的七家
騰訊網
小米
中興通訊
聯想
了華為
百度
阿里巴巴
此外，中國的技術在1990年代至2010年代飛速發展。目前，由於在基礎設施，高科技製造，學術出版，教育和商業應用等不同領域的快速發展，中國被認為是世界的領導者。 https://www.techrepublic.com/article/the-big-seven-chinas-up-and-coming-technology-companies/