Group 1 - The core viewpoint of the articles emphasizes the importance of waste liquid reduction for resource recycling in Dalian's initiative to build a "waste-free city" [1][2] - Dalian has established the only national group standard for "waste liquid reduction service," which includes comprehensive guidelines from equipment leasing to after-sales service, ensuring service quality and safety [1][2] - The implementation of this standard aims to help companies reduce costs and enhance efficiency while promoting green production [1][2] Group 2 - Manufacturing enterprises generate various types of industrial waste liquids, which are classified as hazardous waste, leading to significant disposal costs, especially for small and medium-sized enterprises [2] - The market price for disposing of hazardous waste liquids ranges from 3000 to 4000 yuan per ton, creating a financial burden for waste-producing companies [2] - The introduction of "mobile industrial waste liquid reduction services" is a response to the need for cost-effective waste management solutions [2] Group 3 - The equipment developed by Qitai Environmental Technology Company is compact yet advanced, featuring over 40 patents and offering customized services at half the price of similar foreign products [2] - Since its establishment in 2018, the company has provided waste reduction services to nearly 100 enterprises, saving them close to 100 million yuan in waste disposal costs [2] - The introduction of the group standard is expected to address issues of inconsistent technology and unregulated services in the waste liquid treatment market, fostering healthy competition within the industry [2]