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Products/Services: Main business product: 7 to 82 inch liquid crystal monitoring devices, liquid crystal splicing wall, 7 to 82 inch Tristar liquid crystal monitoring device, 7 to 82 inch DID liquid crystal monitoring device, narrow side liquid crystal splicing wall, l

Products/Services: wireless home security products

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Products/Services: computer software and hardware and industry hardware R&D and production

Products/Services: Security, Surveillance Equipment

Products/Services: Security, Surveillance Equipment