Hong Kong-based dry bulk owner Jinhui Shipping and Transportation has agreed to sell another ageing supramax, continuing its fleet renewal drive with a $14.6m deal involving a Hong Kong buyer. The Oslo-listed company, majority-owned by Hong Kong-listed Jinhui Holdings, has signed a memorandum of agreement to offload the 2007-built, 55,496 dwt Jin Xing to Heng …