WINDUS ISO 9001:2015 certificate is approved by TÜV Rheinland. During the verification，many important
aspects are carefully checked, such as production service requirements, customer-related processes, staff ability
and awareness, infrastructure facilities, document control ability, internal and external factors, relevant department
needs, production plan, producing process and production inspection, etc.
After the verification, several positive evaluations are given in the assessment, such as WINDUS building
the completed database system, the project management responsibility system, the investment of production
equipment, the construction of environmental protection equipment and information systems, as so as the