Children's products in particular need to focus on the safety of materials to avoid harmful substances exceed the standard, although there is no way to eliminate these substances, we can reduce, and be below the industry standard.In addition, the physical safety of the product is also important, such as batteries, circuits, etc., but we need to pay the most attention to some small parts and their ability to degrade, children's skin is more fragile, the taste will be accidentally eaten.After a quality and excellent product come out, it is very gratifying, I can imagine my children love it and it can bring joy to other children.I changed my job to bring joy to myself and other people's children and I don't regret it, I will enjoy it and share the joy - my son loves toys very much.