Netherlands DYKA BV Produktieweg 7 8331 LJ Steenwijk tel. 00-31-521-534911 fax. 00-31-521-534489 DYKA Export Deccaweg 25 1042 AE Amsterdam tel. 00-31-20-4480777 fax. 00-31-20-6135646 Belgium DYKA Plastics N.V. DYKA Plastics S.A. Nolimpark 4004 B 3900 Overpelt tel. 00-32-11 800420 fax. 00-32-11 644246 France Sotra-Seperef SAS 25, Rue de Brévillers Sainte Austreberthe 62140 Hesdin tel. 00-33-321 865900 fax. 00-33-321 865901 Germany DYKA GmbH. Stahnsdorferstrasse 32 14513 Teltow (Berlin) tel. 00-49-332839940 fax. 00-49-3328399450 Czech Republic DYKA s.r.o. Unhošt'ská 505 273 61 Velká-Dobrá tel.  00-420-312-666011 fax. 00-420-312-685026 Poland DYKA Sp.z.o.o. ul. Belgijska 5 55-221 Jelcz-Laskowice tel. 00-48-71-3010000 fax: 00-48-71-3010001 United Kingdom John Davidson Pipes Ltd. Townfoot Industrial Estate Longtown (Carlisle) Cumbria, CA6 5LY tel. 00-44-1228-791503 fax. 00-44-1228-792051 tlx. dykauk