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Shanghai Yanma Testing Technology Co., Ltd. is a high-tech enterprise specializing in the research, development, production, sales, and technical services of testing instruments, sensors, and integrated systems in the fields of temperature, humidity, pressure, electrical parameters, gas concentration, and other environmental testing areas. Since its establishment, the company has been committed to providing stable, precise, and durable testing and measurement instruments, as well as metrology and calibration instruments, for industries such as biopharmaceuticals, food, medical devices, public health and disease control, beverages, automotive electronics, metrology, meteorology, environmental testing, research institutions, inspection and quarantine, and process manufacturing. The company boasts a stable and professional team in design, production, sales, and training, as well as an experienced and fully qualified verification and testing technical team. It offers professional technical consulting, application solutions, maintenance, operational support, personnel training, and metrology calibration services to users.

Yanma Technology Karma Technology, headquartered in Shanghai, operates nationwide with branches and offices in cities such as Shenzhen, Nanjing, Hefei, Beijing, Kunming, and Chengdu. Guided by a user-centric philosophy and business ethos, the company provides optimal product solutions and after-sales services to domestic and international users. The mission of Yanma Technology Karma Technology is to deliver precise, durable, safe, stable, innovative, user-friendly, and regulation-compliant testing instruments, inspection services, and technical consulting. Upholding the principle of "integrity as the foundation, service as the priority," Yanma Technology Karma Technology adheres to standardized, honest, and scientific business practices. With a commitment to rapid response in after-sales service requirements and technical solutions, the company provides on-site technical support in the shortest possible time, always prioritizing user needs. It aims to establish cooperative relationships with users for mutual growth and long-term win-win outcomes.