Iimfuno zokugquma:
1. Isilivere kunye ne-aluminium yokugqoka
2. Ukugquma amanzi, ubungqina beminwe, i-anti-fouling kunye nezinye iifilimu
3.. Yenzelwe ngokweemfuno zabathengi
Amaxabiso eNkqubo yeZhenhua:
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Ukubonelela ngezixhobo zokugquma ezihambelanayo kunye nenkxaso yobugcisa bokugquma kubavelisi kunye nabathengi.
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Ukubonelela ngezisombululo ezisebenzayo, ezikumgangatho ophezulu kunye neendleko ezifanelekileyo zokwenziwa kwezinto ezintsha eziqhubekayo kunye neemfuno zokukhula koshishino.