Fujian Runxing Biotechnology Co., Ltd., the registered trademarks in this name are:

And the existing valid registrations of "Da Guangrong" are:

So,

Da Guangrong is not the exclusive trademark of Fujian Runxing Biotechnology Co., Ltd. However, it does not rule out the possibility that the above individuals or companies license the trademark to Fujian Runxing Biotechnology Co., Ltd.