(1) Okwu mmalite nke ihe ọkpọkọ nchara enweghị nkebi:
GB/T8162-2008 (ọkpụkpọ igwe anaghị agba nchara maka iji ihe eji eme ihe). A na-eji ya eme ihe maka nhazi izugbe na nhazi igwe. Ihe nnọchianya ya (akara ule): carbon ígwè No. 20, Nke 45 ígwè; Alloy ígwè Q345, 20Cr, 40Cr, 20CrMo, 30-35CrMo, 42CrMo, wdg.
GB/T8163-1999 (ọkpụkpọ igwe anaghị agba nchara maka ibufe mmiri). A na-eji ya eme ihe maka ibufe pipeline mmiri na injinia na akụrụngwa buru ibu. Ihe nnọchi anya (akara ule) bụ 20, Q345, wdg.
GB3087-2008 (ọkpụkpụ nchara na-enweghị nkebi maka ndị na-ekpo ọkụ ọkụ dị ala na nke ọkara). A na-ejikarị ya na pipeline maka ibufe mmiri mmiri dị ala na nke ọkara n'ime igwe ọkụ ụlọ ọrụ na igwe ọkụ ụlọ. Ihe nnọchiteanya bụ Nke 10 na Nke 20 ígwè.
GB/T17396-2009 (ọkụ na-ekpo ọkụ na-ekpo ọkụ na-enweghị nkebi nchara maka hydraulic props). A na-ejikarị eme ihe nkwado hydraulic, cylinders na ogidi n'ime ogbunigwe coal, yana ndị ọzọ hydraulic cylinders na ogidi. Ihe nnọchi anya ya bụ 20, 45, 27SiMn, wdg.
(2) Ojiji nke ọkpọkọ nchara na-enweghị nkebi: 1. Ụdị ọkpọkọ ihe na-arụ ọrụ gụnyere: ọkpọkọ n'okpuru ala maka njem, mmịpụta mmiri dị n'ime ala mgbe a na-ewu ụlọ, ụgbọ mmiri ọkụ ọkụ, wdg. Eletriki: nnyefe gas, mmiri na-emepụta ọkpọkọ mmiri. 4. Ọkpụkpọ mgbochi static maka osisi ike ikuku, wdg.