Information of price change of an Emission lab vacuum tube

We are allowed to act as an agency of a Germany and emission lab vacuum tube from eight-year before at our company.
The price of emission lab vacuum tubes is not revising in the meantime.
It becomes difficult to maintain a price conventionally in change of the exchange rate of these days.
We are allowed to change a price from February, 2015 lately as follows.
Please understand.

Emission lab vacuum tube New price list

EML300BXLS Pair ---------- 80000yen
EML320BXLS Pair ---------- 80000yen
EML2A3Mesh Pair -----------70000yen
EML2A3Slod Pair ----------- 70000yen
EML45Mesh Pair ----------- 70000yen
EML45Solid Pair ------------ 70000yen
EMLAD1Mesh Pair ---------- 80000yen
One EML274AMesh --------- 35000yen
One EML274BMesh --------- 35000yen
One EML5U4GMesh ---------35000yen
One EML80 ----------------35000yen
In addition, please confirm the specification, the Specifications, etc. of each vacuum tube in the homepage of an emission lab company.