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The smart lock industry cluster in Zhongshan's Xiaolan town has been included in the country's top 100 specialty industry clusters of small and medium-sized enterprises, according to the Ministry of Industry and Information Technology.

It's a first for the sector in Zhongshan, one of eight industry clusters in Guangdong province that have made the list this year.

With 89 registered enterprises, the smart lock industry cluster in Xiaolan produces 1.8 million sets of smart locks annually, with the sector's total output value reaching almost 10 billion yuan ($1.4 billion).