For requests regarding installation, maintenance, or technical support of semiconductor, display, and hydrogen equipment, please submit the form below.
YEST provides reliable technical support across the entire process, from equipment introduction through operation.
From equipment delivery through installation, commissioning, and process setup, our specialist engineers provide on-site support to help you reach stable mass production.
We provide maintenance services—including regular inspections, preventive maintenance, and parts replacement—to keep equipment in optimal condition.
Our engineers respond quickly to technical inquiries related to equipment operation, such as optimizing process conditions and resolving issues.
