Mai ka lā 15 o Nowemapa a hiki i ka lā 17, ua paʻa maikaʻi ʻia ka paʻi 23th o IE expo Guangzhou ma Kina. Ua loaʻa i ka paʻi o IE expo nā ʻoihana 437 a me 18,155 mau malihini kipa e komo i ka e...
ZR-1006 Model A(Salt)/Model B(Oil) mask particulate filtration efficiency and airflow resistance tester e pili ana i ka nānā pono a me ka nānā ʻana i nā kikowaena no nā huahana olakino, nā kikowaena no...