What is quality key

Quality works if any company can express the quality knowledge for each employee. It is not only quality departmant responsibility.

Yes, but at first quality department must lead and give necessary information to all employees.

you are fully right!

Quality key is when a company comes up with a quality policy and company departments work as a team for the achievement of their quality policy. Quality is not only the responsibility of the quality department and they continually improve their quality system