01. Process for recovering metals and non-metals from copper-rich electronic waste02. A method for recovering valuable resources from waste printed circuit boards03. Method for recovering copper foil from circuit boards04. A regeneration process and device for tin-plated copper wire waste and tin-aluminum slag05. Method for recovering precious metals from electronic waste06. Treatment method for alkaline etching waste liquid from circuit boards07. Roller conveyor type copper surface electrolysis cleaning and roughening method for printed circuit boards08. Disassembly device for waste refrigerator panels09. Method and device for recovering printed circuit boards using molten tin metal10. Method for recovering copper from copper-clad boards without polluting the environment11. Method for treating printed circuit boards with molten inorganic salts12. Recovery and regeneration process for waste generated during drilling and milling of printed circuit boards13. Method and system for recovering and removing copper from fluids14. Process for recovering high-purity gallium from liquid-phase epitaxy waste liquid15. Biological harmless pretreatment method for waste computers16. Transplant repair method for scrapped multi-chip printed circuit boards17. Method and device for disassembling and recovering electronic components and solder from discarded circuit boards18. Smelting method and device for motherboards and waste metals19. Dry physical recovery process for valuable components on electronic waste circuit cards20. Recovery and treatment method for batteries, assembled printed circuit boards, and electronic devices21. Composite dry electronic waste sorting machine22. Physical recovery process for metal concentrates in discarded circuit boards23. A process for extracting gold, silver, and palladium from electronic industrial waste24. Recovery method for tools used in processing printed circuit boards and the resulting tool material bars25. Method and device for recovering tin from tin-plated, tin-dipped, and soldered metal waste26. Comprehensive treatment system for electronic waste27. Recovery and treatment method for steel plates from old refrigerators and freezers28. High-frequency welding can manufacturing method and copper wire recovery device29. Specialized crushing equipment for discarded circuit boards30. Method for processing metal-containing waste31. Monitoring and copper removal from wastewater streams generated during semiconductor and printed circuit board processing32. Crushing and separation recovery process for waste printed circuit boards and the equipment used33. Composition and method for simultaneously precipitating various metal ions from semiconductor wastewater to improve microfilter efficiency34. Method for separating and preparing organic process solutions generated during printed circuit board production35. Treatment method for alkaline etching copper waste liquid from printed circuit boards36. Comprehensive recovery and treatment process for waste mobile phone batteries37. Regeneration method and device for printed circuit boards38. Method for copper recovery39. Recycling treatment device for waste household appliances40. Method for separating metal materials and electronic components from waste printed circuit boards41. Method for recovering coated communication cable materials through washing, grinding, and density separation42. Method and device for recovering copper metal from waste printed circuit boards and copper-containing waste liquid43. Recovery treatment process and specialized fixtures for discarded printed circuit boards44. Repair method for printed circuit boards and their components45. Method for recovering metal-coated waste46. A method for recovering valuable substances from printed circuit boards47. Method for reusing waste from soldered circuit products48. Method for reusing waste from soldered circuit products and components49. Method for recovering printed circuit boards using a stepped bonding structure50. Method for recovering integrated circuit chips51. A method for catalytic oxidation to extract gold from printed circuit boards52. Treatment of waste liquid containing photoresist53. Crushing devices, crushing methods, decomposition methods, and precious metal recovery methods54. Vacuum distillation separation method for bismuth in mixed metals from waste printed circuit boards55. Vacuum distillation separation method for lead in mixed metals from waste printed circuit boards56. Vacuum distillation separation method for zinc in mixed metals from waste printed circuit boards57. Vacuum distillation separation method for antimony in mixed metals from waste printed circuit boards58. Vacuum distillation separation method for cadmium in mixed metals from waste printed circuit boards59. A crushing recovery treatment process and equipment for waste printed circuit boards60. Vacuum pyrolysis reuse method for waste printed circuit boards61. A method for making fiberglass products from non-metallic powder derived from waste printed circuit boards62. Method for preparing phenolic resin from pyrolysis oil of waste printed circuit boards63. Microwave recycling treatment process for etching waste liquid from printed circuit boards64. Method for removing arsenic from etching waste liquid of printed circuit boards for producing copper feed additives65. A method for resource recovery from waste printed circuit boards66. Method for producing oxychloride copper from etching waste liquid of printed circuit boards67. Crushing and high-voltage electrostatic separation method for waste printed circuit boards68. High-voltage electrostatic separation device and method for crushed waste printed circuit boards69. Preparation device for regenerating board materials from crushed waste printed circuit board substrate materials70. Resource treatment method for waste sludge from circuit board factories71. Manufacturing method for regenerating board materials from crushed waste printed circuit boards72. Supercritical separation method and system for discarded printed circuit boards73. Recycling treatment process for industrial wastewater from printed electronic circuit boards74. Utilization method for non-metallic materials in waste printed circuit boards75. Utilization and treatment process for copper filter sludge from circuit board factories