ClassNK grants Innovation Endorsement for Products & Solutions to “Wall Climbing Robot” April 3, 2024 Maritime, Technology, Trending News NEW YORK : ClassNK has granted its Innovation Endorsement for Products & Solutions*1 to a “Wall Climbing Robot” from Sumitomo Heavy Industries, Ltd., Mitsui O.S.K. Lines, Ltd., and MOL Ship Management Co., Ltd. “Wall Climbing Robot”