They are clothing industry base, watch industry base, glasses industry base and furniture industry base. 1. Clothing industry base: Shenzhen is the largest gold and jewelry gathering place in China, with the highest development level and the most complete industrial chain. There are more than 5,000 gold and jewelry registered corporate enterprises/kloc-0, with an annual processing output value of150 billion yuan. The annual physical processing volume of gold and platinum accounts for 80% of the physical sales volume of Shanghai Gold Exchange.

2. Watch industry base: The annual output value of watches in Shenzhen is about 68 billion yuan, accounting for 53% of the national output and 42% of the global output. Seven of China's "Top Ten Enterprises" are in Shenzhen.

3. Optical industrial base: The annual output of Shenzhen glasses exceeds 654.38+0.25 billion pairs, with an annual output value of over 654.38+0 billion yuan, accounting for more than 80% of the total export value, and the output accounts for about 50% of the world's high-end glasses.

4. Furniture industry base: There are more than 600 high-quality furniture enterprises in Shenzhen, accounting for 90% of enterprises above designated size. With the industrial structure of "headquarters rooted in Shenzhen, factories all over Guangdong, services covering the whole country and products exported overseas", the total sales in 20021year will be 380 billion yuan.