Zheng dooyan and shanghai winner information technology ltd. Established a joint venture company, edwin (shanghai) health technology co. Ltd., to be a winning ceo to become a separate business partner with zheng dooyan in the area of china; zheng dooyan formally joined and launched a health brand, zetss; zheng dooyan official ap "s line" officially went online in october; zen zeness zhon dooyan sports association (shanghai rainbow bridge) officially opened its business; zemness brand began a strategic partnership with zenets in december to create a health brand together with his own family and sister-in-law; zeteness and zhong doo yan jeta coach college (shanghai rainbow bridge) formally opened its business; zheng dooyan officially announced the launch of a partnership as a partner in china as a partner with zhang tai po; zee zets ltd. Zheng do-yeon's gymnasium dance is a set of gymnasiums created by korean star zheng do-yeon, which helps to regulate body fat dances, and is well kno...