The US AI infrastructure investment cycle is driving growth in Zetwerk’s order-book, cofounder and CEO Amrit Acharya told ET ahead of the company’s IPO (initial public offering).“A big chunk of it (growth) has come from the AI capex cycle in the US, where model companies such as OpenAI, Anthropic, etc., are all hungry for computers and power,” Acharya said.The company has set its price band at Rs 143-151, valuing Zetwerk at Rs 25,583 crore