Greenfield has given domestic priority to the idea of "mining urban mines" and the industrial concept of "limited resources and unlimited circulation", has actively explored china's "city mines" mining model, and is committed to researching and industrializing the recycling and recycling of "city minerals" such as used batteries, end-of-life electronics, end-of-life automobiles and cobalt-cobalt nickel-nickel metal debris. It has become a model for the recycling of urban mines at the national and international levels. Recycler aims to build a national new internet+recycling system, an o2o platform for urban waste recycling, an electronic waste cloud recycling system, a recycler's website, micro-letters and an ap-based outreach platform. Recycler's waste products are mainly seven major types of electronic waste such as paper, plastics, batteries, electricity, small appliances, lamps and copper-dry iron. Using internet technology to serve the renewable resource industry, building reco...