Benchmarking management: constantly searching for and researching the best practices of peer first-class companies, using this as a benchmark to compare, analyze, and judge with this enterprise, so as to continuously improve their own companies, and enter a virtuous cycle of catching up with first-class companies to create outstanding performance Its core is to learn from the best companies in the industry or outside the industry. According to the above definition, which of the following is benchmarking management? ['Two giant companies in the air-conditioning industry jointly invest in joint research and development of a new generation of eco-friendly air-conditioning.', 'An insurance company links the year-end performance gap between the company and the best company in the industry to the year-end award of employees.', 'A company introduced the company\'s advanced business philosophy of "creating talents before producing products" to the company.', 'A company studies the strengths and weaknesses of rival companies, improves its own production processes, and enhances its market competitiveness.']