A haziri ọkọlọtọ a dịka ụkpụrụ ndị China siri dị ugbu a maka ngwaahịa ọla kọpa na ọla kọpa na-esi agbaze na nhazi, ya bụ GB/T468-1997 "Copper Wire Ingots for Electrical Use", GB/T3952-1998 "Copper Wire Billet for Electrical Use", GB/T467{9}High Cathode ọla kọpa" na "Standard Cathode ọla kọpa", na GB/T5231-2001 "esichara ọla kọpa na ọla kọpa Alloys" Dabere na "Chemical mejupụtara na ngwaahịa udi", mbụ mba ọkọlọtọ GB / 5121-1996 "Chemical Analysis Ụzọ maka ọla kọpa na ọla kọpa Alloys" na GB-19 usoro "3121-1996". Akwa-ọcha Cathode ọla kọpa" ka edegharịrị n'usoro. A na-anakwere usoro nyocha dị elu iji dochie ụzọ nyocha na-egbu egbu na nke na-emerụ ahụ, yana ọgbọ hydride - a na-eji spectrometry na-adịghị agbasa atomiki fluorescence spectrometry dochie catalytic oscillopolarography maka mkpebi siri ike nke arsenic, antimony, selenium, tellurium, wdg. A na-emepụta ụzọ nyocha asaa ọhụrụ na usoro nyocha ọbara ọbara, gụnyere usoro nyocha ọbara ọbara nke atọ na plasma. usoro nyocha nke mercury, wdg.
