Thunderstone Acquisition Corp is a blank check SPAC incorporated in the Cayman Islands in April 2025, with no operations or revenues. Its sole purpose is to raise capital through an IPO and use those proceeds to acquire a private business, taking it public via merger. Thunderstone raised $50M by offering 5,000,000 units at $10.00 each, with the full amount held in a trust account invested in U.S. Treasuries. Thunderstone's stated acquisition focus is healthcare innovation — medical devices, services, and technology — though it is not legally restricted to this sector. Given management's deep ties to China, Thunderstone acknowledges it is more likely than not to pursue a target in China or Asia. The sponsor, Thunderstone LTD., acquired 1,437,500 insider shares for $25,000 (roughly $0.017 per share), the standard SPAC promote structure that gives insiders a large equity stake at minimal cost, creating an incentive to close a deal even if terms are unfavorable to public shareholders. Thunderstone has 18 months from its IPO to close a deal, or it must liquidate and return the trust to shareholders. The company's China orientation meaningfully shapes its deal universe: its management team is largely based in mainland China and Hong Kong, which may trigger CFIUS restrictions on U.S. targets, and any Chinese target could require a VIE structure with associated legal and regulatory risks, including potential CSRC approval requirements and PCAOB inspection concerns that could affect Nasdaq listing status.