| Ihe | Ihe mkpuchi nke igwe ductile iron manhole |
| Ọkọlọtọ | EN124, A15, B125, C250, D400, wdg. |
| Ihe onwunwe | ASTM A536 Ọkwa 65-45-12, EN1563.JIS G5502, wdg. |
| Nha | 300×300, 400×400 ọzọ, ma ọ bụ dị ka ndị ahịa 3D osise. |
| Elu | Eserese, ma ọ bụ dị ka achọrọ. |
| Ngwa | Pavement, mmiri, wdg. |
| Bupụ na
| America, Australia, Brazil, Canada, Peru, Iran, Italy, India, United Kingdom, Arab, wdg. |
| ngwugwu | Ngwungwu mbupụ ọkọlọtọ, ma ọ bụ dị ka achọrọ. |
| Oge ọnụahịa | Ex-ọrụ, FOB, CIF, CFR, wdg. |
| Ịkwụ ụgwọ | T/T, L/C, Western Union, wdg. |
| Asambodo | ISO, SGS, BV. |