(Through its R&D-dedicated department, HI-TECH DIESEL Co., Ltd. has continuously improved equipment quality and developed new products, and is researching, developing, and manufacturing equipment such as parts washers and soot collectors that can be widely applied not only to diesel-engine DPF cleaning and CRDI equipment but also to industrial applications. All equipment of HI-TECH DIESEL Co., Ltd. is manufactured at a production site equipped with in-house machinery facilities through a one-stop system from design to processing, welding, and production, and the company operates an integrated management system that immediately responds to problems.