How to become a supplierHow to become a supplier

Supplier approval

Any company that would like to become a Zitrón’ supplier must fill-in the Supplier Approval Questionnaire.

Continuous assessment of suppliers

We permanently check that products and services requested.

In addition, in the case of critical suppliers, we perform regular annual assessments that result in a score based on parameters, such as quality and deadline compliance, as well as their financial situation.

Sustainable procurement

The Procurement Department welcomes ethical, social and environmental criteria, in addition to economic or technical criteria. Consequently, during the supplier assessment phase, we shall require them to fill-in a sustainable procurement questionnaire.

General terms of purchase

These general conditions apply to all purchases and services hired by Zitrón and will be binding for suppliers from the time of acceptance of the order. Accepting the order implies the full knowledge and full acceptance of these general conditions.

If any special conditions of purchase were negotiated with a supplier, these shall be complementary to and take precedence over the general conditions of purchase, but they will only be valid if they have been accepted in writing by Zitrón.

See General Terms of Purchase

Contractor and subcontractor documentation

In order to comply with the legal requirements on coordination of business activities, it is required to establish a procedure for a mutual hazard identification assessment and the control of occupational risks for the companies, as well as to establish the necessary coordination measures based on the occupational risks identified. To do this, provide the contact details of the person responsible for these aspects in your company.

To gain access to our facilities, all the documentation regarding administrative and prevention issues must be submitted as requested. Please fill in the form to receive more information about the documents to be submitted.

Procurement policy

The goal of the Procurement Department is to provide the company with products or services that its needs, when it needs them, and with the necessary quality and at the best price.

In addition, the Procurement Unit aims to build and preserve strong relationships with suppliers, based on the basic principles of trust, integrity and transparency, to benefit mutually from the criteria set out in the ethics and conduct code.

The procurement management system implemented guarantees equal opportunities for all suppliers participating in the procurement process

What we purchaseWhat we purchase

The procurement and contracting of our productive process are divided into the following groups.

  • Electric actuators
  • Insulation
  • Machinery rentals
  • Vibration dampers
  • Electric cabinets
  • Steel bars
  • Steel cables
  • Electric cable
  • Boilermaking
  • Rubber
  • Certification services
  • Calibration services
  • Plate
  • Perforated plate
  • Cylinders
  • Chroming
  • Anodizing
  • Textile compensators
  • Cutting sheet metal
  • Dampers
  • Pickling
  • Cutting
  • Packaging
  • Gears
  • Balancing
  • Stamping
  • Labels
  • Hardware
  • Carbon fibre
  • Mountings
  • Filters
  • Funds
  • CastingHot-dip galvanising
  • Welding gases
  • Machining tools
  • Tools
  • Hydraulics
  • Engineering
  • Stainless steel
  • Instrumentation
  • Joints
  • Brass
  • Lubricants
  • Electrical equipment
  • Machining
  • Cast models
  • Assembly
  • Electric motors
  • Springs
  • Pneumatics
  • Profiles
  • Paint
  • Chemicals
  • Refacing
  • Reducers
  • Grilles
  • Bearings
  • Silencers
  • Welding
  • Temperature probes
  • Electric workshop
  • Transport
  • Surface treatment
  • Thermal treatments
  • Variable Frequency Drives
  • Ventilation
  • Vibration sensors

Contact us

Become a supplier





Data Controller
Managing professional and business and trade relationships established between Talleres Zitrón, S. A. and its suppliers.
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Personal data collected in the attached file
Compliance with existing Law
Public administration, banking institutions, external consultancy
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