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Cov Khoom Siv Kho Mob Lub ntsws Exercise Device Respiratory One Ball Spirometer
Cov tshuaj loog ua pa yog tsim los ntawm lub plhaub, calibration kab, qhia pob, txav slider, telescopic yeeb nkab, tom thiab lwm yam khoom tseem ceeb.Lub plhaub D-hom yog ua los ntawm polystyrene, telescopic raj, tom, taw qhia pob thiab txav tau slider siv polyethylene ua raw khoom.
SHANGHAI TEAMSTAND CORPORATION
