Ensuring Safety in Lithium-ion Batteries: A Comprehensive Checklist and International Safety Standards
Lithium-ion batteries are widely used in various applications, including electric vehicles (EVs), portable electronics, and...
Full Inspection or Sampling? A Practical Guide to Selecting the Right Inspection Type
Buyers should determine the appropriate inspection type by evaluating the specific characteristics of the product,...
Solar Panel
Why Solar Panel Inspection Matters Solar panels are long-term assets that directly impact energy efficiency,...
Degree 107/2016 Accreditation
Government Recognition & Legal Compliance VIS is proud to be fully accredited by the Vietnam...
ISO 9001:2015
In today’s highly competitive global market, businesses must deliver products and services that not only...
Recognized by ISO 17020:2012
Internationally Recognized. Locally Trusted. At VIS, we proudly uphold ISO/IEC 17020:2012 certification—recognized globally as...
Payment Guidelines
At VIS, we aim to provide a seamless and flexible payment experience to support our...



