History

Our history

1955
eco-zinder 1955 en

Zinder S.p.A. was established in the mid-1950s, with its headquarters in Milan. The company began its first operations in the non-ferrous metals sector.

1963

The urban and economic development of the city of Milan made it necessary to relocate the production facility. The company moved to Trezzo sull’Adda, where it expanded its operational capacity.

1986

Following the closure of the former Zinder S.p.A. (1984), the company was relaunched under new ownership, giving rise to ECO-ZINDER. Investments in research and advanced technologies enabled the continuation of its historic operations with significantly higher quality and environmental standards.

1994

Start of zinc sulphate production, now one of the company’s flagship products.

2001

Introduction of zinc carbonate production, expanding the range of zinc derivatives for various application sectors.

2002

Doubling of production capacity dedicated to the treatment of residues containing non-ferrous metals, in order to meet growing market demand.

2005

ECO-ZINDER obtains FAMI-QS certification, a key requirement for operating in the agri-food and animal feed sectors while meeting high standards of safety and traceability.

2006

ECO-ZINDER obtains ISO 9001 / UNI EN ISO 9001:2015 certification, confirming the high standard of its quality management systems.

2007

Achievement of ISO 14001 / UNI EN ISO 14001:2015 certification, demonstrating the company’s ongoing commitment to environmental protection and the sustainable management of its processes.

2012

ECO-ZINDER launches structured collaborations with several Italian universities, aimed at developing research and innovation projects in metal recovery processes.

2013

ECO-ZINDER obtains a new AIA (Integrated Environmental Authorisation), enabling a significant increase in the quantity of residues treated.

2014

ECO-ZINDER obtains End of Waste (EoW) certification in compliance with EU Regulation No. 715/2013. In the same year, it begins its first trials in the BIO sector, expanding the potential applications of its products.

2019

The new industrial water recovery plant comes into operation, further improving process efficiency and reducing environmental impact.

2020

Further expansion of production plants, with technological upgrades aimed at increasing treatment capacity and operational efficiency.

2021

The renovation of the office building is completed, improving internal organization and space dedicated to corporate services.

2023

Enhancement of employee welfare through the creation of a new canteen, a targeted investment aimed at ensuring high standards of comfort and excellent services for the entire team.

2025

Strengthening of the company’s identity through the Code of Ethics and the CSR (Corporate Social Responsibility) Report, key tools for transparently communicating the social and environmental impact of its production activities.