As a cornerstone of the Unisem Group, Unisem Chengdu Co., Ltd. operates a 520,000-square-foot advanced semiconductor assembly and test facility in Chengdu, China, strategically positioned to serve high-growth markets across Asia and beyond. Since launching mass production in 2006, we’ve cultivated a workforce of 3000+ experts and pioneered cutting-edge manufacturing processes. With a dedicated 48m² expansion site for Phase 3 development, we are primed to amplify capacity, drive innovation, and deliver scalable solutions for tomorrow’s semiconductor demands.
Unisem Chengdu is your trusted partner for full turnkey semiconductor solutions, integrating advanced technologies with agile execution to accelerate time-to-market and optimize supply chains. The facility offers bumping services focused on 200mm wafers.
Diverse Portfolio
Leadframe/substrate packages (QFP, QFN), leadless modules, MEMS, flip-chip, and wafer-level CSP.
Specialized Expertise
Precision testing for analog, mixed-signal, RF, and automotive-grade semiconductors.
Wafer-Level Innovation
200mm wafer bumping (copper pillar, solder bumps), pad redistribution, and re-passivation.
End-to-end services from wafer probing, backgrinding, and assembly to final test and global logistics coordination.
Customized drop-shipping to meet stringent JIT (Just-in-Time) requirements.
Unisem Chengdu Co., Ltd.
Powering Innovation in Global Semiconductor Ecosystem.
Unisem Chengdu is deeply committed to operational excellence, sustainability, and customer satisfaction. The facility is certified to an extensive suite of international standards which as the following.
IATF 16949:2016
ISO 9001:2015
ISO 14001:2015
ISO 45001:2018
RBA VAP
ANSI/ESD S20.20:2014
IECQ QC 080000:2017
Global Security Verification (GSV)


At Unisem Chengdu, we transform silicon into solutions that redefine industries. Let’s collaborate to shape the next wave of semiconductor innovation—with precision, responsibility, and unmatched technical agility.
A track record of scalable growth, operational excellence, and alignment with high-margin semiconductor sectors.
One-stop expertise, IP protection, and rapid ramp-up for complex devices.
Collaborative innovation, ESG-aligned practices, and shared success in global markets.
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