When purchasing screw chillers in the Pearl River Delta, local original manufacturers bring remarkable advantages over imported or out-of-province suppliers. As a high-tech & specialized enterprise rooted in Guangdong, Lengfengge (Lechang Refrigeration) owns a 30,000 ㎡ intelligent industrial park. All screw chillers are independently assembled and tested under 72h full-load hot-humid simulation conditions to prevent inflated cooling capacity. Custom water-cooled, air-cooled, low-temperature and explosion-proof anti-corrosion chillers are available for injection molding, new energy, chemical and electroplating processes. With local spare parts warehouse and 24-hour on-site maintenance in PRD, we share practical tips to avoid common procurement traps for factory temperature control.