Group 1 - Anhui Wanlang Magnetic Plastic Co., Ltd. applied for a patent titled "A Side Light Fiber for PVC Refrigerator Door Sealing Strip and Its Preparation Method" with publication number CN120335077A, filed on April 2025 [1] - The patent involves a side light fiber made from specific raw materials, including 100 parts of transparent polymer material monomer, 8-30 parts of plasticizer, 0.3-5 parts of initiator, 0.1-2 parts of scattering particles, and 50-150 parts of copolymer monomer [1] - The introduction of hydrophobic modified nano-silica scattering particles into the preparation of side light fiber effectively optimizes the uniformity of lateral light emission, addressing the issue of localized light spots in traditional side light fibers [1] Group 2 - Anhui Wanlang Magnetic Plastic Co., Ltd. was established in 1999, located in Hefei, with a registered capital of 85.483 million RMB [2] - The company has invested in 58 enterprises, participated in 33 bidding projects, and holds 430 patent information along with 24 trademark information [2] - Anhui Wanlang New Materials Technology Co., Ltd. was founded in 2014, also located in Hefei, with a registered capital of 30 million RMB [2] - The new materials company has invested in 1 enterprise, participated in 7 bidding projects, and holds 11 patent information [2]