The HLJY series dosing device is a new type of integrated water treatment dosing equipment developed by our company. It can be widely applied in fields such as oily wastewater treatment, polymer wastewater treatment, groundwater treatment, surface water treatment, and circulating water treatment in oilfields. It is suitable for the dosing of various water treatment chemicals, including coagulants, flocculants, flotation agents, deoxidizers, ** agents, corrosion inhibitors, scale inhibitors, demulsifiers, surfactants, methanol, and more. The entire system enables automatic control of dosing quality, offering high automation, chemical savings, reduced labor intensity for workers, and high operational reliability, thereby delivering optimal economic and social benefits to users.