集装箱的绑扎件属于什么类型？（在DNV）

最近在申请DNV，出现一个问题，我们生产的单眼板、小叉子等属于货轮船上的集装箱的绑扎件，那这样一来属于什么类别呢？按哪个标准呢？
B. Forgings for Hull Structures and Equipment
C. Forgings for Shafting and Machinery
D. Forgings for Crankshafts
E. Forgings for Gearing
F. Forgings for Boilers, Pressure Vessels and Piping Systems
G. Ferritic Steel Forgings for Low Temperature Service
H. Stainless Steel Forgings