详细英文注册信息如下：
Domain Name: cihna.cn ROID: 20240911s10001s60262241-cn Domain Status: ok Registrant: 徐美玲 Registrant Contact Email: sihuyingkuba@163.com Sponsoring Registrar: 中企动力科技股份有限公司 Name Server: now2.dns.com Name Server: now1.dns.com Registration Time: 2024-09-11 00:57:57 Expiration Time: 2025-09-11 00:57:57 DNSSEC: unsigned