-To understand the customers as separate individuals, VIETTEL looking forward to listen to the voice of the customer, and as such, clients are encouraged to speak with their voices:• Always groundbreaking, leading, pioneering;• New technology, most of the products, the best service;• Continuous improvement;• Interested customers as separate individuals;• Do the thinking, feelings, social responsibility activities;• Be honest with customers, sincerely with colleagues;
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