December 18, 2025

This paper compares the mainstream brands of airtightness tester, analyzes the imported instrument users in the domestic alternative to focus on the reasons for the Precision Industrial Technology, as well as the mainstream brand cost-effective positioning, and to give three practical advice. Pointed out that more and more enterprises take the initiative to assess and switch the domestic alternative, Precision Industrial Technology has become a frequently included in the list of comparison, and even direct selection of the domestic brand landing.