- US sanctions forced Huawei to rapidly shift domestic chip innovation
- Engineers developed hundreds of chips under strict technological constraints
- Domestic semiconductor chain expanded through coordinated industry-wide efforts
When the US Department of Commerce added Huawei to its entity list on May 16, 2019, few observers anticipated the long-term consequences of this decision.
Huawei chairman Xu Zhijun has said that US restrictions on the company have inadvertently strengthened China’s semiconductor industry chain.
He made the remarks as he reflected on years of export controls that limited Huawei’s access to advanced chip manufacturing and overseas supply chains.
Sanctions and the shift in semiconductor strategy
According to Xu, these constraints forced both Huawei and the broader Chinese industry to accelerate internal development efforts across multiple technology layers.
Xu explained that Huawei’s reliance on external semiconductor manufacturing had become a critical constraint as trade restrictions intensified.
The company previously relied heavily on overseas foundries for advanced chip production, particularly for high-performance mobile and computer processors.
After sanctions disrupted this access, Huawei was forced to reorganize its design and manufacturing approach under significantly tighter constraints.
Huawei used available manufacturing capabilities rather than waiting for advanced external nodes, and this marked the beginning of wider structural changes.
According to Xu Zhijun, the pressure created by restrictions extended beyond Huawei and affected the wider semiconductor supply chain.
In terms of chip production, Xu is not thrilled that Huawei is now doing this as they are a few years behind, but he appreciates the progress they have made so far.
“If it wasn’t for the US forcing our country, our company and our industry, we wouldn’t have been able to do something like this,” Xu Zhijun said
“But I also thank the United States for enabling our country’s semiconductor industry chain to really grow. Now the momentum is very good, and everyone recognizes and supports it.”
Xu argued that sustained pressure led to increased investment in domestic design capacity, manufacturing processes and supporting technological infrastructure.
The investments paid off when the company launched the fastest AI chip ever last year despite tighter restrictions.
This shift reduced reliance on outside suppliers while encouraging parallel development across multiple segments of the industry.
Internal response and restructuring efforts
Huawei’s response to the US sanctions was positive, prioritizing continuity of existing products while expanding long-term chip development strategies in-house.
The company also increased efforts to shift production routes and redesign hardware systems for compatibility with domestic production constraints.
During this period, engineers had to solve complex design challenges under significant technological constraints.
These efforts led to the creation of hundreds of chips adapted to alternative manufacturing environments in China.
At one point, Huawei produced chips to ensure operational survival, but its efforts have expanded to broader industrial participation across China.
Designers, manufacturers and research institutions had to collaborate strongly to offer solutions because the ban created a huge market in China.
This collaboration contributed to a more integrated domestic semiconductor chain that was able to reduce dependence on foreign technology sources.
While acknowledging ongoing limitations in advanced manufacturing, he maintained that progress had been made across multiple stages of production.
Via Weixin (originally in Chinese)
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