For the detailed answer to this question, you'd better contact our staff. In general, high speed door can enjoy an extended warranty service at Shenzhen Hongfa Automatic Door Co, Ltd.. An extended warranty, sometimes called a service agreement, or a maintenance agreement is a prolonged warranty offered to customers in addition to the standard warranty on new items. It covers the cost of replacement or repair of the product, if it is caused due to a manufacturing defect or poor workmanship. However, it may not cover anything other than failure from normal usage, or the abuse, and malicious destruction. So, to make the product enjoy the extended warranty service, the prerequisite for customers is to take good care of the product and use it in accordance with the instructions given by the manufacturer.
As the initiator of roll up door, Hongfa Automatic Door Company is committed to research and development and production. According to the material, Hongfa Automatic Door Company's products are divided into several categories, and spiral door is one of them. Our professional team conducts strict quality check from materials to testing. The product has outstanding insulation save energy. Some of our customers not only use it to clean their swimming pool but also they use it to clean the particles in the SPA and fountains. - Said one of our clients. Its Human-Machine Interface display makes the daily operation easier.
We are customer-focused: we measure ourselves and our actions through the lens of our customers. We build strong relationships with customers and deliver quality products and services.