| Container Spreaders | ||
| Aihwa. | Patent Zita | Patent Number |
| 1 | Chigadziro chekuisa nzvimbo yemudziyo | 13979517 |
| 2 | Muchina wekubaya unokwanisa kugadzirisa kona yemudziyo wekuparadzira | 14234133 |
| 3 | Chigadziro chemudziyo chine nzvimbo yegiravhiti inogona kuchinjirwa mukatiheavy state | 10997589 |
| 4 | Chigaba chinowaridza makireni echiteshi kufambisa kugadzirisa midziyo | 14010625 |
| 5 | Anti- falling container spreader | 15069781 |
| 6 | Komputa software yekunyoresa copyright setifiketi -- Container spreader yakangwara yekudzora chikuva | 2021SR0005145 |
| Kubata uye Hoppers | ||
| Aihwa. | Patent Zita | Patent Number |
| 1 | Chishandiso chinotsigira chakakodzera hombe-hombe dzechiteshi hopper dzakawanda | 14351441 |
| 2 | Bata bhaketi remakoroni echiteshi ari nyore kupatsanura uye kutsiva | 14019340 |
| 3 | Iyo inotungamira njanji meshini ine nyore kugadzirisa kwechikepe kurodha uye kuburitsa muchina | 13996868 |
| Auto Mooring Device | ||
| Aihwa. | Patent Zita | Patent Number |
| 1 | Wharf fender inomisikidzwa zviri nyore kana yakwiridzirwa | 14338134 |
| 2 | Iyo pier fender inotora simba ine kona inogadziriswa | 14349170 |
| 3 | A height-adjustable bollard | 14347794 |
| 4 | Iyo inotenderedzwa yakawanda-layer simba-inotora dock fender | 14331921 |
| 5 | Airbag ine miviri mitatu yemhando yerubber anti-collision fender yepa wharf | 14343501 |
| 6 | Chitupa chekunyoresa kodzero yekombuta software --Bollard midziyo yakangwara manejimendi software | 2021SR0005147 |
| Zvimwe | ||
| Aihwa. | Zita reChitupa | Chitupa Number |
| 1 | Chitupa che Quality Management System Certification | 06517Q31328R0M |
