Core Viewpoint - The article highlights a consumer's frustration with Gree's after-sales service regarding warranty claims for air conditioners, raising questions about the accountability of companies in honoring promotional warranties [1][2][4]. Group 1: Consumer Experience - A consumer named Mr. Zhang faced issues with Gree's after-sales service when trying to claim a warranty for air conditioners purchased in 2017, which included extended warranty cards [1]. - Despite having physical proof of the extended warranty, Gree's customer service claimed that the warranty was not recorded in their system, leading to confusion and dissatisfaction [2]. - The consumer was advised to contact the original seller for warranty issues, but after eight years, he found it difficult to reach the seller [2]. Group 2: Company Accountability - Gree's customer service stated that the extended warranty cards were a promotional activity by the seller and not directly linked to Gree, raising concerns about the company's responsibility in such cases [2][3]. - The article questions the reliability of physical warranty cards when the company's electronic records do not match, suggesting a disconnect between consumer expectations and corporate practices [4]. - The lack of clarity regarding the relationship between Gree and the service provider, 盛世优创, further complicates the situation, as Gree did not confirm whether the service provider was an official partner [3].