Certifications reported by WEISUN #
WEISUN’s official history and news pages report the following certifications. The list is a summary; certificate numbers, scope, and current validity should be confirmed with WEISUN or through the issuing body.
ISO 9001 Quality Management System #
WEISUN’s official history states that the company passed ISO 9001 quality certification in 2018, the same year the new Baiji factory in Sanxia was established.
- Reported year: 2018
- Scope: Quality management system
- Source: About WEISUN
CE European conformity #
The official history states that the dust-free and oxidation-free oven obtained CE certification in 2022.
- Reported year: 2022
- Product: Dust-free and oxidation-free oven
- Source: About WEISUN
SEMI E187 verification #
WEISUN’s product news states that the company obtained the SEMI E187 Verification of Conformity (VoC) at the end of 2024, describing it as one of the first companies to pass the semiconductor equipment cybersecurity standard.
- Reported year: End of 2024
- Scope: Semiconductor equipment cybersecurity
- Source: SEMI E187 news
ISO/IEC 27001:2022 #
The official history states that WEISUN passed ISO/IEC 27001:2022 international information security management system certification in 2025.
- Reported year: 2025
- Scope: Information security management
- Source: About WEISUN
Product-specific compliance #
Some WEISUN products carry additional compliance statements on their official product pages:
- WPO pressure oven — The official Chinese product page states that the pressure vessel complies with national pressure-vessel construction certification in Taiwan, China, and Vietnam.
- Wafer fully automatic vacuum curing oven — The official Chinese product page states that the equipment meets SEMI S2 and S8 requirements.
These are product-level statements; confirm the exact certificate and scope for the specific model being purchased.