Core Viewpoint - The insulation materials required for high and ultra-high voltage cables, previously dominated by foreign companies, are experiencing a shift in market dynamics due to advancements by Wanma Co., Ltd. in the polymer materials sector [1][2]. Group 1: Company Overview - Wanma Co., Ltd. is primarily engaged in the research, production, and sales of electric wires and cables, polymer materials, and automotive charging equipment, and has been focusing on environmentally friendly polymer materials for over 30 years [2]. - Wanma Polymer is currently the only domestic company capable of mass-producing ultra-high and high voltage cable insulation materials [2]. Group 2: Market Position and Capacity - Wanma Polymer's ultra-high voltage insulation material production capacity will reach 60,000 tons annually after the completion of its third-phase project [1]. - The domestic market share of Wanma Polymer in ultra-high voltage insulation materials has increased from approximately 15% in 2021 to about 20% currently [1]. Group 3: Product Development and Applications - Wanma Polymer has developed ultra-clean XLPE insulation materials for 220kV ultra-high voltage cables, which have been recognized by the China Electric Power Enterprise Federation and successfully applied in various high voltage projects [2]. - The company is also making significant progress in the development of insulation materials for submarine cables, achieving international advanced levels in key performance metrics [3]. Group 4: Expansion Plans - Wanma Co., Ltd. plans to construct a new project in Qingdao with an annual production capacity of 350,000 tons of environmentally friendly polymer materials, aimed at enhancing its market presence and easing production capacity pressures [4].