From bottom to top:
Hai 558 Ping Yuen
WTJ Chen Yuen (note:listed on their website as Chin Yen)
Hai 557 Chen Yuen
Rhenania RHE 25 Chen Yuen
So if you want to fill those holes in your collection you might try the WTJ website at:
You might need to check on both the Chinese and Japanese listings to find what you want and in the scale you require. The WTJ models will need in addition to painting; masts, fighting tops, and cranes/derricks added to bring them up to the Hai standard.
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