(01) waste acid purification and recovery system (including waste hydrochloric acid, waste sulfuric acid, waste nitric acid, hydrofluoric acid, etc.)

(02) copper wastewater treatment and copper purification and recovery system

(03) nickel containing wastewater treatment and nickel purification and recovery system

(04) chromium containing wastewater treatment and hexavalent chromium purification and recovery system

(05) chromium containing wastewater treatment and trivalent chromium recovery system

(06) zinc wastewater treatment and zinc recovery system

(07) recovery and treatment system of aging waste liquid of electroless nickel plating

(08) recovery and treatment system of cleaning wastewater from electroless nickel plating

(09) waste water recovery and treatment system of pyrophosphate copper plating

(10) Electroplating product desizing solution and wastewater recovery and treatment system

(11) Aluminum anodizing waste liquid and waste water recovery and treatment system

(12) Stainless steel pickling waste liquid and waste water recovery and treatment system

(13) Steel pickling waste liquid and waste water recovery and treatment system

(14) Silver plating wastewater treatment and recycling system

(15) Gold plating wastewater treatment and recycling system

(16) Wastewater treatment and recycling system of pyrophosphoric acid system

(17) Palladium and rhodium plating wastewater treatment and recycling system

(18) Treatment and recycling system of fluorine-containing wastewater

(19) Phosphorus wastewater treatment and recycling system

(20) Printed circuit board wastewater recycling system