Kexun precision instrument manufacturers rau lub teb chaws peev ncaj qha muag: tshiab zog tsheb roj teeb, lub zog cia photovoltaic, hluav taws xob thiab hluav taws xob cov khoom siv, semiconductor chips, polymer cov ntaub ntawv, kho vajtse thiab yas khoom, zoo departments, kuaj, kuaj ...
Nyeem ntxiv