The 20-meter high pole lamp is a kind of high pole lamp with high performance-price ratio Z and strong practicability Z. From the sales of high pole lamps in the whole lighting market, the annual sales volume of high pole lamps with a height of about 20 meters accounts for 70% of other high pole lamps. The unique value of the 20-meter high pole lamp can be seen. In my opinion, the high-pole lamp with a height of about 20 meters has the following two advantages.
The National Day of the People's Republic of China is also known as "National Day", "National Day", "National Day", "National Day of China" and "National Day Golden Week". The Central People's Government of the People's Republic of China has announced that October 1, the day the People's Republic of China was proclaimed, will be the National Day since 1949.