Ịnagide ọkọlọtọ ahụ:
| Nọmba ọkọlọtọ | Aha ọkọlọtọ |
| GB/T 1633-2000 | Mkpebi nke okpomọkụ dị nro nke Vica (VST) |
| GB/T 1634.1-2019 | Mkpebi okpomọkụ nke mgbanwe ibu plastik (Usoro nnwale izugbe) |
| GB/T 1634.2-2019 | Mkpebi okpomọkụ nke mgbanwe ibu plastik (plastik, ebonite na ihe mejupụtara eriri ogologo) |
| GB/T 1634.3-2004 | Ntụle okpomọkụ nke mgbanwe ibu plastik (Egwuregwu thermoset siri ike) |
| GB/T 8802-2001 | Paịpụ na ihe ndị e ji arụ ọrụ Thermoplastic - Mkpebi nke okpomọkụ dị nro nke Vica |
| ISO 2507, ISO 75, ISO 306, ASTM D1525 | |