RF Parts Company

I been buyin' a vacuum tube from this vendor for over a year. The part is Jan *** 12AX7 tube. I been payin' *** for each tube. I buy 'em on a fairly regular basis. I am low on stock so a few days ago I purchased and paid for 13 parts at ***. I received an order confirmation which I can show ya. A few days later I was told they ain't available no more. However I went back to their website and discovered the price was now *** each. And customer service told me they got 50 in stock. But they wont complete my order. They said I gotta find a competitor wit the price of *** and then they would honor the order. Well I got their invoice as proof. I dont want a refund. I just want what I bought at the price I bought it at. This is a dishonest business. I had trouble with 'em before but just wrote it off. Can ya help me get my parts? I got customers amplifiers at I gotta pu them in. They dont care. Please help me. Thx *** CTech Electron