(b) the "camber hall" provides full process functions such as vendor, in-house, billing, dispatch, confirmation, representation, refund, etc. In cooperation with the capital city of kyoto, it has also significantly increased the volume of recycling-related business by providing old and new services for digital mobile phone products and promoting the sale of new machines in the capital city. Over the last year of operation, recovery-friendly services have increased significantly. Recyclers perform quality tests and ratings of all recovered mobile phones, using different treatments based on ratings: low end mobile phones valued at 5-2 discounts are handed over to partners such as grimmy for environmental degradation; medium-end mobile phones (less than 90 per cent of the new non-high-value-protected mobile phones) competitive systems are distributed to collectors; over 90 per cent of new high-value mobile phones are professionally processed and sold on a "second-end-qualified" platform for recycling, with warranty services. Low-end mobile phones account for 20-30 per cent, high-end mobile phones for 15-20 per cent and middle-end mobile phones for about 60 per cent of the total. In the future, it will be further involved in the deep operation of second-hand mobile phones valued at 20-20 discounts, parts dismantling, etc. Love recycling is also about to launch the business and self help recycler services. The value of new operations and services lies in the fact that the replacement of services will help to increase the volume of recycling and promote the development of second-hand qualified goods operations; the installation of self-help recycling machines at community, school and other locations will reduce the high operating costs associated with opening large businesses. The studio is a second-hand mobile phone trading platform that provides professional, formal quality support, full variety and supply, allowing you to buy second-hand phones of excellent quality, which need to be downloaded and purchased by friends. The "chamber hall" is a digital trading platform for second-hand mobile phones under the flag of recycling, buying and selling second-hand mobile phones, filming rooms, large platforms with support, quick turnover, availability, price and quality. Buying second-hand mobile phone numbers to film the flight hall, with good quality, good quality, good price and specialty; selling second-hand mobile phone numbers to film the room, providing specialized quality and graded services, storage and safekeeping services, making 3c products available in a transparent, standardized and fast-moving manner, and no middleman earns a difference