EVAS believes that a constant renovation and development on every single operation is essential to maintain presence in global markets. In this sense guidelines of ISO 9001 - Quality Management System which consist of ISO 14001 - Environmental Management Systems and ISO 45001 - Occupational Health and Safety Management (OHS) has been implemented and strictly followed for continuous improvement of effectiveness of its processes to better satisfy the needs of customers, suppliers, business partners and employees.

In this sense EVAS focuses on quality which promotes a culture resulting to well behavior, attitude, activities and processes to deliver value by fulfilling needs and expectations of customers and other relevant parties.

EVAS owns quality management system (ISO 9001, EN ISO 3834-2, 2010/35/EU In-house Inspection Service), an inspection unit that is independent from production department and a laboratory capable of carrying out non-destructive tests, destructive tests and performance tests for product verification purposes. Inspection during manufacturing includes measuring, examining, testing, or gauging one or more characteristics of a product or process and comparing the results with specified requirements to determine whether the requirements are met. Inspection activities are performed by a competent team independent of production. Products are monitored in all stages of the product realization. Product verification is carried with the data collected and resulted from monitoring activities.

All destructive and nondestructive tests for verification of product are carried out during incoming control tests, production batch tests, type approval tests and pre-production activities.

Product identification, recording and monitoring process parameters are done through PLC (Programmable Logic Controller) AND SAP MII. Records of compliance with the acceptance criteria are maintained.

Some potential key benefits are:
  • Increased customer value
  • Increased customer satisfaction
  • Improved customer loyalty
  • Enhanced repeat business
  • Enhanced reputation of organization
  • Expanded customer base
  • Increased revenue and market share

Possible actions include:

  • Recognize direct and indirect customers as those who receive value from the organization
  • Understand customers' current and future needs and expectations
  • Link organization's objectives to customer needs and expectations
  • Communicate customer needs and expectations throughout the organization
  • Plan, design, develop, produce, deliver and support products and services to meet customer needs and expectations
  • Measure and monitor customer satisfaction and take appropriate actions


  • Actively manage relationships with customers to achieve sustained satisfaction


Pressurized steel cylinder is an essential product which needs special attention starting from supply of raw materials and semi-finished products. EVAS follows a strict examination procedure during supplier's selection and only works with approved and listed suppliers.

In the scope of incoming material control, valve boss inspection, material hardness measurement, material conformity assessment tests, valve control, paint conformity assessment, plate conformity assessment are carried out.