2. Many domestic factories don't pay attention to reputation, and the products they produce are synonymous with inferior products. Foreign companies are not protected by patents and will be copied. Therefore, the category and industry management of external processing parts have been strengthened.
3. In order to solve the problem of employment rate in Europe and America, the products originally processed have been brought back from their own countries.
4. China has always been unwilling to accept those public hazards and environmental protection.
5. Many factors have caused the dilemma that China specializes in outsourcing factories. Enterprises must have their own products with intellectual property rights if they want to find a way out. Take the road of research and development.