Hi can anyone help me translate this flag please

[michael old]

had got this flag giving to me years ago can anyone tell me what the writing

means?

 

[Toritoribe]

The recipient is 塩村？十郎 Shiomura ?jūrō (I can't identify the third kanji).
One of the presenters worked at Nippon Soda Co., Ltd., Nihongi Plant in Niigata Prefecture. The company and plant still exist.
Nippon Soda Co., Ltd - Wikipedia

The rest are signatures and patriotic slogans.

 

[michael old]

thank you !!! always wanted to know what was on the flag always been a mystery to me