Codsiga:
► Si weyn loogu isticmaalo shaqooyinka dhalaalidda birta, shubista saxda ah sida kiciyayaasha kaarboonka;
► loo isticmaalo aasaasaha sidii wakiilka wax ka beddelka si loo kordhiyo tirada graphite speroidal ama loo hagaajiyo qaab-dhismeedka birta cawl si loo cusboonaysiiyo fasalka shubista birta cawl;
►Wakiilka wax yareeya ee warshadaha kiimikada;
►Alaabada dib-u-celinta, iwm.
Wax soo saarka sanadlaha ah ee ZhenAn ee graphite petroleum coke waa 30,000 oo tan. Iyo cabbirka walxaha gaarka ah ayaa diyaar u ah shuruudahaaga.
| Nooca | F.C min | S max | Vol max | Ash max | N max | Xumaanta ugu badan |
| GPC-01 | 99% | 0.03% | 0.5% | 0.5% | 100pm | 0.5% |
| GPC-02 | 98.5% | 0.05% | 0.7% | 0.8% | 200ppm | 0.5% |
| GPC-03 | 98% | 0.05% | 1% | 1% | 300ppm | 0.5% |
| Cabbirka | 1-15mm ama la habeeyey. | |||||