From October 12th to 15th, the 14th China (Shenzhen) Laser and Intelligent Equipment, Optoelectronic Technology Expo and LMN2020 World Laser Manufacturing Conference are being held in Shenzhen. The advanced manufacturing industry represented by laser manufacturing has become a strong driving force for the high-quality development of Shenzhen's economy. In 2019, the scale of Shenzhen's laser industry reached more than 26 billion yuan, accounting for about 25% of China. It has gradually formed a complete laser industry system and is striving to build a world-class intelligent manufacturing industry cluster.