QUANCHAI.QUANCHAI is a leading domestic enterprise specializing in engine R&D and manufacturing. Its engine products are widely used in commercial vehicles, agricultural equipment, construction machinery, generator sets, and other fields, having obtained EU CE and US EPA Tier 4 certifications. With superior product quality and a comprehensive after-sales network, its sales and services span multiple countries and regions including China, Southeast Asia, and Europe, with cumulative sales of multi-cylinder engines exceeding 7 million units. To elevate manufacturing standards, the company actively adopts automation, digitalization, and intelligent technologies. It has introduced advanced smart equipment including horizontal hydrostatic molding, lost foam casting, vertical-horizontal conversion machining centers, online inspection systems, intelligent robots, and AGV/RGV systems. These innovations are deeply integrated with next-generation information systems, laying a solid foundation for the sustained production of high-quality engine products.