Jian Yu

Shanghai Tongyi Medical Management Co., Ltd. provides medical management technology development services. It also engages in medical management technology consulting, property management, and hospital management. The company was founded on September 26, 2016 and is headquartered in Shanghai, China.

Shanghai Shanju International Trade Co., Ltd. engages in the import and export of goods and technologies. It sells coal, furniture, clothing, shoes and hats, mineral products, construction materials, wires and cables, electrical equipment, chemical products, decorative materials, and plumbing equipment. Its business activities include production of steel structures, and business consulting services. The company was founded on November 17, 2014 and is headquartered in Shanghai, China.

Shanghai Ximeng Material Trading Co. Ltd. engages in the sales of building and metal materials. Its business scope includes sales of metal materials, agricultural machinery and accessories, auto parts, mechanical and electrical products, chemical products, construction materials, decorative materials, wood and products, furniture, plumbing equipment and accessories, hardware and electricity, and coal; owned property leasing; business consulting; import and export of goods and technology; and food distribution. The company was founded on January 6, 1999 and is headquartered in Shanghai, China.

Shanghai Huandao Concrete Products Co., Ltd. engages in the production, processing, and sale of concrete products. It offers commercial concrete, concrete components, building materials, decoration materials, metal materials, hardware, and daily necessities. The company was founded on September 16, 2019 and is headquartered in Shanghai, China.