In 2016, there were 8,037 national-level high-tech companies in Shenzhen, of which 2,513 were newly-opened. The number of the national-level high-tech companies in Shenzhen accounts for half of Guangdong Province's total. Shenzhen currently has 30,000 science and technology enterprises. Of these, there are three businesses with sales in excess of 100 billion yuan, 17 with sales in excess of 10 billion yuan, 157 in excess of 1 billion yuan, and 1,203 with sales in excess of 100 million yuan. Many of Shenzhen's science and technology enterprises have relied on innovation in science and technology to develop into industry leaders through global competition. Shenzhen's main high-tech industrial zones/parks include the Shenzhen High-Tech Industrial Park, the Shenzhen Software Industrial Base, and Shenzhen Cloud Park. Two of the better known Shenzhen-based high-tech enterprises are Huawei and ZTE.