Group 1 - Hangzhou Jie Bai has seen a stock increase with the potential to participate in duty-free policies due to its ownership of shopping malls in Hangzhou and Yiwu [2] - Xiamen Xinyi Precision Technology is set to be acquired by a company, providing specialized processing solutions for global PCB leading clients [3] - The company plans to acquire 51% of Xiamen Xinyi Precision Technology, which focuses on PCB and FPC processing [3] Group 2 - The company is involved in the real estate sector, primarily developing residential and commercial projects in Beijing [4] - The company has a significant production capacity of 300 million tons of soda ash, making it one of the leading producers in China [4] - The company has completed the acquisition of 100% of Wolong Mining (Shanghai) Co., focusing on various non-ferrous metal products [4] Group 3 - The company has established a complete industrial chain from waste oil to biodiesel and biobased materials, with a projected biodiesel capacity of 105,000 tons by the end of 2024 [5] - The company specializes in manufacturing automotive rubber components, including O-rings and seals [5] - The company has successfully released 500,000 tons of production capacity in Vietnam [5]