FORWARD FW-HAO4 Automatic Temperature Controlled Hot Air Gun Soldering Rework Station for BGA Welding Laptop CPU Repair Tools The FORWARD FW-HA04 (often typed as HAO4) is a professional-grade, helical wind desoldering station designed for high-precision electronics repair, such as BGA welding and laptop CPU rework. It is distinguished by its use of a high-pressure vortex … Continue reading FORWARD FW-HAO4 Automatic Temperature Controlled Hot Air Gun Soldering Rework Station for BGA Welding Laptop CPU Repair Tools