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About Us




Shiyao Import and Export Trade Co., Ltd. is a wholly-owned subsidiary of Shanghai Nantang Industrial Co., Ltd., located in the Jinling Capital Park, Pudong New Area, Shanghai. The company was founded in 2013, with a total office area of 1,600 square meters and a warehouse covering an area of more than 10,000 square meters.
Since the establishment of the company, we have been focusing on the oxygen concentrator industry, committed to bringing high-quality products to patients and improving their lives. Our products are sold to more than 100 countries including the United States, Mexico, and India.
Varon is our self-created brand. All products are strictly controlled from R&D to design. On the premise of quality assurance, we build cost-effective oxygen concentrators so that more patients can use our products. We will further innovate and improve our products based on user feedback to bring better services to patients.

varon OFFICE
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varon factory