Weisun is an expert in integrated light and heat process solutions.

WEISUN Industrial (est. 1976) specializes in high-precision, cleanroom (Class 10/100), and oxygen-free thermal solutions for advanced semiconductor packaging, PCBs, and optoelectronics. Featuring 2025 SEMI E187 cybersecurity compliance, <10" ppm"  O_2 control, and 30% Nitrogen savings, WEISUN offers smart, automated ovens engineered for global leaders like Intel, TSMC, and ASE.