Contact page

Please use E-mail for non urgent requests:

Our E-mail adres:

Our postal adress: / Crystal Quest,
Vleugelmorgenstraat 33
6171NN Stein
The Netherlands

Chamber of Commerce nr: 14071907
VAT Number                   : NL0322,66,625,B01

Opening hours: By appointment only (please call).

Tel: +31 (0)46 4858068 or Mobile +31 (0)6 44673554
Please leave a message stating your name and (international) number and we will allways call you back at soonest convenient.

Bank account info

Dutch Customers use:

Bankaccount number: NL73 RABO 0160 1156 71
from M.J. Kostjens EO

European customers outside The Netherlands use:

IBAN: NL73 RABO 0160 1156 71
M.J. Kostjens te Stein

International customers (outside Europe) can checkout by creditcard:

Choose Paypal; our Paypal account:

Or checkout using Multisafepay and choose the creditcard service you use.