Hangzhou Shihui Technology Co., Ltd, Technology development, technical services, technical consulting, and achievement transfer: Computer system integration of computer software and hardware, communication equipment, electronic products, Internet of Things technology, multimedia technology, cameras, infrared thermal imaging components, production: Cameras, infrared thermal imaging components; Sales: Computer software and hardware, electronic products, communication equipment, communication devices, multimedia devices, cameras, infrared thermal imaging components, electronic components, security equipment, monitoring equipment, import and export of goods or technologies (except for goods and technologies prohibited by the state or involving administrative approval). (For projects that require approval by law, business activities can only be carried out after approval by relevant departments)