We continue to introduce new 40 volt lithium battery, lithium primary battery, battery 4200mah 3 7 v li ion and services close to our customers in the market to meet their needs. Over the past ten years, the company has been struggling with hardships and hardships, and has transformed from an unknown township enterprise into a modern 48v detector company that has begun to take shape. As we're moving forward, we continue to keep an eye on our ever-expanding merchandise range and make improvement to our services. According to the market demand, our company actively introduces excellent production equipment and testing instruments, recruits good talents, establishes and improves strict management system, and improves the quality of products, so as to provide intimate services for our customers. In addition to our own corporate social responsibility, we actively promote the whole industry to do a good job in caring for society. Integrity is the foundation of business and the foundation of life. It is a huge intangible asset of our company. Honesty is our business principle, which not only regulates our behavior, but also plays a guiding and incentive role.