As items that come into direct contact with children and may enter the mouth or contact the skin, the safety of crayon products for children is extremely important. Safety certification is an important means to ensure that crayon products comply with relevant safety standards and regulations, and is...

In the field of education, Roller ball pen are deeply loved by students for their unique writing experience and multiple color options. First of all, the smooth writing of Roller ball pen can easily cope with long-term writing needs, reduce writing fatigue and improve writing efficiency. This is imp...

In terms of the choice of plastic material, this gel pen may use engineering plastics such as ABS, AS, PP or POM to ensure that it is both light and durable. ABS plastic is an extremely common thermoplastic plastic that is widely used in electronic products, automotive parts, office supplies and oth...

In the process of learning, Highlighter pens are a visual aid with extremely high practical value. By using Highlighter pens skillfully, students can significantly improve learning efficiency, optimize learning experience, and make the learning process more efficient and interesting.Students can use...