Electric shutter suppliers should be able to guide their customers to make the right choice for electric shutter installation. This includes advice on shutter type, size, material and how to install it. Other duties of electric shutter suppliers include supplying spare parts and after-sales services. This is very important because customers always need repairs and after sales services. Therefore, suppliers must be able to provide after-sales service to keep their customers satisfied and comfortable. Also, suppliers of electric shutters should use new methods to sell and market their products. For example, developing a website and online store to sell products and using social networks can help suppliers reach more customers and expand their market. Finally, suppliers of electric shutters should seek to provide quality products and reliable brands. They should also focus on providing after-sales service and ensuring customer satisfaction. For example, they can provide support and repair services to their customers for the maintenance and repair of their electric shutters and in this way gain the trust of the customers. Also, suppliers can use new methods to sell and market their products, including creating a website and online store to sell products and using social networks to advertise and communicate with customers. These methods can help increase sales and improve the brand, and will also help the business grow.