The technical team of Shenzhen Ruike Technology Co., Ltd. (referred to as R.K Connection) has been committed to the application and promotion of solder-free connection technology since 1999. With strong technical background and research and development capabilities, We focus on creating products suitable for multi split systems and related industry applications, providing various standard or customized sizes of products for solder-free installation and maintenance of refrigerant systems. They have also established long-term strategic partnerships with well-known domestic and foreign brands such as Daikin, Hisense Hitachi, and Midea. R.K Connection has multiple independent patent intellectual property rights. The products have passed the testing of China General Machinery Research Institute and all indicators are superior to the technical requirements of pipeline connections in related industries. The "R.K Connection" series products developed by R.K Connection have a high reputation in the air conditioning and related industries. Among them, the "Pro series" patented products adopt an integrated structure, breaking industry barriers and subverting the inherent design of traditional solder-free connection technology, which has been highly recognized by major air conditioning host brands and customers. R.K Connection responds to the national green, low-carbon and environmental protection policies. Its products are not only used in industries such as household/commercial central air conditioning, household split air conditioning and heat pumps, but also in new construction and renovation projects such as Shenzhen Metro, Shanghai Metro, China Unicom Data Center, Jiangsu Transportation Building, and the Grand Hall of the Forbidden City. As a well-known brand dedicated to the research and promotion of green, environmentally friendly, and fire-resistant connection technology, R.K Connection adheres to the concept of green and environmentally friendly development, and strives to contribute to the creation of a green home for humanity.