The main focus of the numen water pen is on environmental protection and the promotion/increase of no toxic or hazardous substances, all of which have been tested in multiple ways and for which the award has been awarded on several occasions. Consumers have grown rapidly and have moved out of the way of numen and are growing rapidly. The main consumer group is adolescents, so environmental issues are focused and do not contain substances that are harmful to humans. Improving/enhancement of the physical and mental health of adolescents. Our country has a large population of students, so it's an infinite market, where good products are sold. Of course, reading numen is not just a good product, but a service. The company has been following the concept of "client-oriented" and insisting on the principle of "child-qualified, merchant-qualified". A genuine attitude to change clients. Producing high-quality products with high-quality pen ink, creating more products with ahead-of-the-curve ...