The Pearl River Delta is home to many original screw chiller manufacturers. Local procurement brings great advantages in site survey, delivery, commissioning and after-sales support. This article provides a reference list of Guangdong screw chiller suppliers, including domestic OEMs and foreign brands, introducing their product lines, technical strengths and application scenarios. It also shares key buying tips on working condition confirmation, high-temperature capacity attenuation, custom engineering, after-sales assessment and full-lifecycle cost, for factories in injection molding, chemical, electroplating and new energy industries.