Ruiyuan has 4 patents of inventions and 8 patents of utility models, and all products have been certified by CE. We also have been the gold plus supplier and verified by Alibaba. Through constant efforts to innovate and break through the scientific research and development technology of electric heating products, we have won the honorary titles of Jiangsu High-tech Enterprise, Jiangsu Private Scientific Enterprise, Jiangsu Technology-based SME and received the Organic Heat Carrier Boiler Manufacturing License issued by the general administration of quality supervision, inspection and quarantine of the P.R.C.
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