Group 1 - Yunnan Yuxi Branch has supported private enterprises with a total of 516 million yuan in new loans by the end of the first quarter, becoming a strong backing for local private enterprise development [1] - The new generation of polyurethane boards produced by Yunnan Tianzhixing Energy-saving Building Materials Co., Ltd. has been used to upgrade over 30,000 mobile tobacco drying rooms in the province, showing initial success [2] - The polyurethane boards have a lower thermal conductivity, higher fire rating, and a lifespan extension of 30%-50% compared to traditional EPS foam boards [2] Group 2 - Yunnan Yifeng Refractory Materials Co., Ltd. has developed a patented product called "anhydrous mud," which significantly enhances material erosion resistance and sealing performance at high temperatures [3] - The company holds 16 utility model patents and supplies refractory materials to major steel groups, including Sichuan Dazhou Steel Group and Yunnan Yukun Steel [3] - The company received an 8 million yuan credit loan from the bank to ensure timely supply and upgrade production equipment due to increased raw material procurement [3] Group 3 - Yunnan produces 100,000 tons of blast furnace gas ash and zinc-containing waste annually, which poses environmental risks if not handled properly [4] - Yunnan Yimen Keyuan Industrial Solid Waste Comprehensive Utilization Co., Ltd. has transformed waste into valuable metals using "oxidation-reduction aggregation" technology [4] - The company received a 3 million yuan loan from the bank to acquire high furnace waste and has been supported for 20 years, recently receiving an additional 1.75 million yuan loan to enhance resource utilization and reduce energy consumption [4]