Do I have to get a new GS certificate even if there already is an identical product on the market?

{"cid":"39814","pid":"11524814","name":"Do I have to get a new GS certificate even if there already is an identical product on the market?","img_url":"\/\/img1.ecerimg.com\/07\/ca\/784d441d63b4\/product\/22328989_s-w400xh400.jpg","attrs":[{"name":"Price","value":"Negotiable"},{"name":"MOQ","value":"1"},{"name":"Delivery Time","value":"3-4 weeks"},{"name":"Brand","value":"GS Mark"}],"action_url":"aHR0cHM6Ly9pbnRmLmJqanNneS5jb20vaW5xdWlyeS9zZW5k","inquiry_src":"ec:onpage:pc:mroom_details","inquiry_url":"aHR0cHM6Ly9pbnRmLmJqanNneS5jb20vaW5xdWlyeS9wb3A=","subject":"What is the CIF price on your Do I have to get a new GS certificate even if there already is an identical product on the market??"}