Dear Oda san,
Production will revised gas usage & Labour & Packing also. Reason as below
1. Sic & Frame production need extra (longer firing). So need more gas usage
2. Labour minimum wage & Services fee are increased also. Ms.Bangon, please send the the actual/head
3. Price of wooden box is increased . Please send me the actual of wooden box stock price.
4. Gas price , I think it can reduce also.
Please send me data of Item 2 and 3