Reliability, integrity and transparency which are most important ethical values underlie TEI’s business understanding. TEI which minds social and moral values sets a good example for its customers, employees and community complying with work ethics.  

Ethical principles that TEI is bound are determined by Work Ethics Policy that all employees and managers in the company have to obey. TEI is obligated to comply with laws, customer policy and regulations and TEI policy and regulations in the relations with all parties.

services beyond customer expectations. By supporting employee’s qualified, efficient and creative work, TEI forms a corporate which has development means for the employees and which they feel they belong to.