Which is better, BYD original film or dragon film?

Materials and technology: Dragon Film is a well-known brand owned by Eastman, a fortune 500 company, with more than 70 years of industry experience. Dragon film has a high level of production technology and excellent product performance. BYD's original membrane, materials and technology are at a medium level.

Performance characteristics: the dragon film has good heat insulation effect, which can effectively block ultraviolet rays and protect the skin health of people in the car. In addition, the dragon film also has explosion-proof function, which can prevent glass fragments from splashing when accidents occur. BYD's original membrane has poor heat insulation effect and no explosion-proof function.