1.Bronze hlau yog ua los ntawm high-purity thiab high-zoo tooj liab thiab zinc raw cov ntaub ntawv.
2. Nws lub zog tensile nyob ntawm kev xaiv cov khoom siv disassembly thiab ntau yam kev kho cua sov thiab cov txheej txheem kos duab.
3. Copper yog ib qho ntawm cov khoom siv hluav taws xob zoo tshaj plaws thiab siv los ua qhov ntsuas ntsuas rau lwm cov ntaub ntawv.
4. Kev soj ntsuam nruj nruj thiab kev ntsuas qhov system: Nws muaj cov tshuaj ntsuam xyuas qib siab thiab kev tshuaj xyuas lub cev thiab kev ntsuas kev tswj xyuas zoo.
Lub chaw ua kom cov tshuaj muaj pes tsawg leeg stability thiab optimized tensile zog, zoo heev nto tiav, thiab tag nrho cov khoom zoo.