31/08/2026
Most smart lock manufacturers in China are clustered in three cities: Wenzhou, Yongkang and Zhongshan.
Among them, Wenzhou delivers the highest‑quality products. Factories for brands like Philips, Kaadas, and our Sharp smart locks are all located here. The local government offers strong support for long‑term enterprise growth. Qualified manufacturers can get land resources to build their own industrial parks, which helps standardize operations and supports sustainable development.
Xiaolan Town in Zhongshan has the largest number of smart lock factories in China. It once held a high‑end product positioning. Later, many factories chose to compete with Yongkang manufacturers, which brought down both price points and overall quality. Generally speaking, its product quality falls behind Wenzhou. Still, a small number of Zhongshan factories keep sticking to high‑quality standards.
Yongkang is mainly known for entry‑door production. Its smart lock industry grew to match local door factories. Since doors have limited total value, locks cannot cost more than the doors they go with. Local factories focus heavily on extreme cost‑performance, which results in comparatively lower smart lock quality.
To sum up the quality ranking: Wenzhou > Zhongshan > Yongkang.
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