7*24 Hotline：
National Technology Co., Ltd. (300077)
National Technology Co., Ltd. (hereinafter referred to as: National Technology) is a leading enterprise in the field of Information Security IC Design in China and a state-level high-tech enterprise. It has 20 years of leading advantages in Commercial Cryptography and has a post doctoral research station. Originated from the establishment of the national "909" integrated circuit special project in 2000, it was listed on the gem in 2010 (Stock Code: 300077), and is the vice president unit of China Association of listed companies. Headquartered in Shenzhen, it has branches in Beijing, Shanghai, Wuhan, Xi'an, Hong Kong, Singapore and Los Angeles.
oil wellhead