Is China contemplating J-15 with non-folding wings, strengthened airframe and higher weapons load. China PLAN is not in hurry and are evaluating the first batch for training and induction. PLAN is keenly awaiting aircraft carrier zero CVN-17 to test the J-15 and also test the next iteration of it. Chinesessites are full of speculations.
China does have a J-15 with non-folding wings; it's called the J-11B. If it serves aboard an aircraft carrier, it needs to have folding wings.