Cov kev cai ntawm kev txheej:
1. Txheej zaj duab xis zoo nkauj.
2. Txheej tawv, hnav-resistant, khawb resistant, ntiv tes resistant, waterproof thiab anti-fouling tiv thaiv zaj duab xis
Cov Ntsiab Lus Tseem Ceeb ntawm Zhenhua Program:
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Muab cov khoom siv txheej thiab kev txhawb nqa kev siv tshuab txheej rau cov chaw tsim khoom lag luam thiab cov neeg siv khoom.
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Muab cov kev daws teeb meem zoo, zoo, thiab pheej yig rau kev tsim kho tshiab tas mus li thiab kev loj hlob ntawm kev lag luam.
