A metalworking media supplier trusted by leading enterprises.
Our products have been well serving BYD, Chen Hsong, Midea, AUX, Changhong and other leading companies.















From NEVs to CNC machine tools, Dourland media serve reliably across machining stages.
Cooling, lubrication, cleaning and rust protection for battery structures and electronic control parts.
One-stop support for injection machine hydraulics, guide lubrication and cutting media.
Full-process media supply for foil stamping, tube bending and sheet-metal forming.
Die-casting release, precision cutting and inter-process rust protection for Al/Mg parts.
Guide oil, spindle oil, hydraulic oil and cutting media across the machine life cycle.
Tell us your machining scenario for selection advice and sample support