Shandong Yuanda-llongwill Educational Science and Technology Ltd., established in March 1997 and registered in Jinan High-tech Zone with the registered capital of 48 million Yuan, is a listed enterprise in the National Equities Exchange & Quotations(NEEQ, 430511). Our company is committed to the research, development, promotion and application of innovative educational technology products, with the main business including the research, development, production and marketing of digital educational equipment and the new business of non-toxic and harmless disinfection and epidemic prevention equipment based on chlorine dioxide.

Yuanda-llongwill is the developer and manufacturer of llongwill^® Digital Information System Laboratory (llongwill^®DISLab), a strong brand of digital experimental teaching in China. llongwill^®DISLab provides comprehensive digital solutions to experimental teaching in high school, middle school and primary school, including various sensors, data loggers, softwares and lab equipments on physics, chemistry, biology and geography, which improves the quality and efficiency of experiments greatly and expands the experimental operation space for students significantly. llongwill^®DISLab is a powerful guarantee for inquiry teaching and STEM education. llongwill^®DISLab has won the First Prize of National Teaching Achievements and the Innovation Award of the Worlddidac Association for three times. Through 20 years of development, llongwill^®DISLab has been successively compiled into the curriculum standards and textbooks of high school Physics and primary school Science. The users are in more than 10000 schools across the country, and have gone abroad and sold all over the world.

The new business of Yuanda-llongwill is the Cleanbao^TM disinfection and epidemic prevention products developed and produced by the wholly-owned subsidiary Shanghai Cleanbao Environment Science & Technology Co. , Ltd. Cleanbao^TM series products have the characteristics of sterilization, deodorization and pollution control, full time and full coverage, and personnel safety. This series of equipment can effectively purify the environment and block the spread of disease by continuously generating and releasing disinfectant liquid and gas. They are widely used in classrooms, student apartments, canteens and toilets in primary and secondary schools and kindergartens and medical institutions. At present, Cleanbao^TM series products have obtained multiple patents and product test reports issued by authoritative institutions, which has an extremely broad prospects for promotion.

With the qualifications of National High-tech Enterprise, Software Enterprise, Shandong Engineering Technology Research Center, Jinan ‘One Enterprise One Technology’ R&D Center, Jinan Intellectual Property Pilot Enterprise, AAA Credit Rating Enterprise, Yuanda-llongwill has passed the ISO9001 Quality Management System Certification, the ISO14001 Environmental Management System Certification, GB/T45001 Occupational Health and Safety Management System Certification and GB/T 29490-2013 Intellectual Property Management System Certification. Yuanda-llongwill is also the platinum member of Worlddidac, member of China Educational Equipment Industry Association (CEEIA), Shandong Educational Equipment Industry Association, Shanghai Educational Equipment Industry Association and Shanghai DIS R&D Center for Primary and High School.

In the future, Yuanda-llongwill will gradually develop into a science and technology innovative enterprise, which can provide systematic products and engineering services at both fields of experimental teaching and campus health, with internationally advanced technology and market covering the world's major economies.