We are pleased to announce that the ZZN has proceeded to develop and implement environmental policy and managing the environmental aspects of the scope of the requirements of ISO 14001: 2004. The primary objective of designing and implementing an environmental management system is using effective principles of organization and management of this part of the business, which includes widely understood environmental protection. The functioning of the system should allow to perform any activity producing or conducting services with minimal use of natural resources, energy and water while maintaining the quality and economics of these operations. The process of implementation of ISO 14001 is a voluntary and independent decision of ZZN management and investment in the field of organization and management.