A park, full of life –Through vegetation landscape reconstruction, water system construction, modern pipe network paving and other means, Helan Mountain Sports and Leisure Park has turned the once devastated sand and gravel mining subsidence area into an urban suburban rest place integrating eco-tourism, sports and leisure, and wine culture experience.A process, turning waste into treasure -Ningxia Binze New Energy Technology Co., Ltd. adopts many processes such as pretreatment, microbial fermen