Hoʻokumu i ka 2004, Ningbo Yishen uila noʻeleu ma luna o ka ulu '& manufacturing electromagnetic a kuapo kanaka uhi:

1. kaʻa kuapo kanaka
2. EV (uila kaa) kauoha aku la i-wahie kuapo kanaka
3. Power kuapo kanaka
4. Mana Lima kuapo kanaka