Dear Valued Customer, We sincerely apologize for your experience with our laser cutting machine and after-sales service. Your feedback is crucial, and we’re committed to resolving this immediately. Our Actions: Quality Assurance: All machines undergo ISO-certified inspections and 48-hour performance testing. 24/7 Support: Contact us alibaba for: 1-hour urgent response, Free troubleshooting & maintenance guidance, 12-month warranty with parts replacement. To You: We’ve initiated a full investigation and will propose a solution (refund/repair/replacement). Please message us directly at alibaba – we value your trust. To All Customers: Over 90% of clients rate us "reliable" in quality and "efficient" in service. We stand by our products and guarantee accountability for any issues. Thank you for your understanding. Best Regards, Shandong Fast Cnc Machinery Co., Ltd.