Green Spanner is a national professional and comfortable home installation service brand. Focus on the innovation, research and development and service of multi-line installation standards in the HVAC industry, and provide franchise services and technical support for the installation of comfortable home systems in four aspects: auxiliary materials, installation processes, acceptance standards, and service processes, so as to provide customers with all-round, Systematic installation service, Green Wrench always adheres to serving customers with high standards and strict requirements, and introduces German Rock Ring, German Flux DSR insulation, German Wieland copper pipe, American Merlot copper pipe, German Siemens air switch , German Lapp cable and other high-quality installation materials for installation, and independently developed the green wrench patented hanging code, outer wall sheath, indoor unit dust cover, making the installation safer and more efficient. At present, there are 40 registered patents for Green Wrench. In the past 5 years, in the home multi-line installation section, together with nearly 70 technical service providers (franchise partners) across the country, we have served users and friends all over the country with craftsmanship: on average, we have created a comfortable heating and cooling experience for more than 5,000 users across the country every year. , On average, more than 10,000 air-conditioning indoor units are installed each year. At present, Green Wrench has extended its installation services to five countries in Central Asia: Kazakhstan, Uzbekistan, Kyrgyzstan, Tajikistan, and Turkmenistan. With the opening of international services, we will continue to introduce better products and better quality products. Service, I look forward to working with you to use the green wrench installation process to serve more users and create more and better experiences.