Core Viewpoint - The recent safety concerns regarding the "ROMOSS" brand power bank, particularly the 20,000mAh model, have led to multiple universities issuing warnings about potential explosion risks, prompting the company to initiate a comprehensive product review and engage with affected institutions [1][11][12]. Group 1: Company Response - Shenzhen ROMOSS Technology Co., Ltd. has acknowledged the product concerns and is actively exploring systematic solutions across technical standards, testing processes, and user education [3][8]. - The company has launched a three-tier emergency response mechanism, initiated a comprehensive re-inspection of the affected product batch, and established a dialogue with at least 21 universities that issued warnings [3][8][14]. - ROMOSS plans to hold a technology open day to allow experts to participate in product lifecycle testing and improve quality control systems [8][10]. Group 2: Market Position - ROMOSS claims to hold the number one market share in the domestic e-commerce channel for mobile power banks and has a significant presence in international markets, including South Africa and the Philippines [5][10]. - The company has reported an annual shipment volume exceeding 50 million units and has accumulated 318 patents, including 11 invention patents and 120 utility model patents [8][10]. Group 3: Product Recall - ROMOSS has reported a recall plan for specific models of its power banks due to potential overheating risks associated with certain battery materials, affecting a total of 491,745 units [14]. - The recalled models include PAC20-272, PAC20-392, and PLT20A-152, manufactured between June 5, 2023, and July 31, 2024 [14]. Group 4: Industry Context - The issue of power bank safety is not isolated, as there have been numerous reports of battery-related incidents in the industry, often linked to the quality of battery cells used [18][19]. - The competitive landscape has led to a decline in prices, which may compromise product quality, particularly for smaller manufacturers [18][19].

Group 1 - OnePlus officially announced Chen Douling as the brand ambassador for OnePlus Ace, who will participate in the launch event for the OnePlus Ace 5 Supreme series on May 27, targeting mobile gaming users with a focus on performance, touch, and network capabilities [2] - LEGO China appointed Ashin, the lead singer of the famous band Mayday, as the Chief Play Officer, and launched the LEGO Little Happiness series notebook featuring collaboration bookmarks and five different expression covers [3] - Lafang announced Ren Jialun as the brand ambassador with the slogan "Chinese Lafang, a resilient choice," promoting their hair care products and offering exclusive merchandise with purchases of the endorsed products [4] Group 2 - Ugreen announced Yi Yangqianxi as the global brand ambassador, promoting the brand's "quality digital" image and emphasizing a pure attitude towards creativity and a commitment to the 3C digital field [5] - Tutu Cotton officially announced Zhang Jingyi as the brand ambassador, focusing on the theme "Seamless Transformation, Enjoying Passion," promoting the Tutu Cotton Seamless Pro series sanitary pads [5] - Charles & Keith appointed Wang Churan as the global brand ambassador, enhancing the brand's image centered on youth and leisure, promoting a new era of style with comfort as the foundation [6] - Lux announced Wang Xingyue as the brand ambassador for Greater China, promoting Lux hair oil spray and Lux fragrance shampoo, with marketing activities centered around the "520" event, including fragrance gift boxes and exclusive merchandise for fans [7]