Hi ,Responosible person im one refractories supervisor in KSA employee of Cristal global in Yanbu KSA. Mostly we are using yoour product like visil bricks, KALA bricks for our chlorinator Re-actors refractories activities, hence i need to know either you have any trainig course or semenar on regard of application, method which can help us as a advace and more perfectly done the job, pleasse reply me ASAP and my mailing Adress and e-mail is given below [email protected] Mailing : Sajjad Haider Zahid, po.box no. 30320 Yanbu al Sinaiyayah Saudi Arabia