澳门118开奖118186-澳门118开奖118186ccm-澳门118开奖www118186com-澳门118开奖网-澳门118开奖现场直播

The Xili Airtightness Tester participated in the Changchun International Exhibition to assist in the airtightness detection of medical equipment.

zhan_hui_4.jpg

zhan_hui.jpg

zhan_hui_2.jpg

1553851966.jpg