Man Xu

Beijing Hardrock Technology Co., Ltd. engages in research and development, outsourcing production, and sales of hardware products. Its products include fireproof, anti-theft, and smart door locks. The company was founded on March 8, 2001 and is headquartered in Beijing, China.

Beijing Hardrock Technology Co., Ltd. engages in research and development, outsourcing production, and sales of hardware products. Its products include fireproof, anti-theft, and smart door locks. The company was founded on March 8, 2001 and is headquartered in Beijing, China.

Beijing Hardrock Technology Co., Ltd. engages in research and development, outsourcing production, and sales of hardware products. Its products include fireproof, anti-theft, and smart door locks. The company was founded on March 8, 2001 and is headquartered in Beijing, China.

Beijing Hardrock Technology Co., Ltd. engages in research and development, outsourcing production, and sales of hardware products. Its products include fireproof, anti-theft, and smart door locks. The company was founded on March 8, 2001 and is headquartered in Beijing, China.

Beijing Hardrock Technology Co., Ltd. engages in research and development, outsourcing production, and sales of hardware products. Its products include fireproof, anti-theft, and smart door locks. The company was founded on March 8, 2001 and is headquartered in Beijing, China.