Our Company

Metal-Chek is a 100% Brazilian company, a market leader in non-destructive testing using Liquid Penetrant (LP), Magnetic Particle (PM), and Leak Detection (DV) methods.
Develops, manufactures and markets consumables, equipment and accessories for non-destructive testing using Liquid Penetrant, Magnetic Particle and Leak Detection methods; as well as other specialty chemicals..
Located in the city of Bragança Paulista, in the interior of São Paulo, in an area of 10,000 m² , the industry’s production areas are divided between the LP sector, the PM sector, and the aeronautical sector.
Metal-Chek is a direct supplier to customers throughout Brazil and has a sales team, supported by a technical team, committed to offering the best solution for customers.
Since its founding, the company has distinguished itself through the quality of its products and customer service. It maintains a large inventory of products for immediate delivery, ensuring that all orders are fulfilled efficiently .
Metal-Chek products have their manufacturing parameters controlled according to AMS 2644 and PETROBRAS N 2370 to meet the standards PETROBRAS N1596 and N1598, ASME Code section V, ISO 3452 , ASTM E 1417, E 1444 and E709 .
Metal-Chek ‘s management systems are certified according to ISO 9001.

Our Story
Metal-Chek do Brasil Ind. e Com Ltda . was founded in June 1982 in response to the federal government’s policy of nationalizing imports. The company’s development grew significantly from 1984 onwards. From a company that exclusively manufactured products for Visible Penetrant Testing, it expanded to manufacture Fluorescent Penetrant and Magnetic Particle testing equipment, as well as portable and stationary equipment for magnetic particle testing.
From 1992 onwards, following the death of its founder, Mr. Nabil Gebrael , the company has been managed by Mrs. Maria Izabel L. Gebrael .
Year after year, the company has increasingly gained the trust of its customers and maintained its position as a leader in the supply of consumables for Non-Destructive Testing using Liquid Penetrant and Magnetic Particle methods.
Over the past few years, Metal-Chek has achieved significant milestones :
- 1994: First company in the sector to obtain ISO 9002 certification.
- 2002: Obtaining ISO 9001:2000 certification and starting production of Dubl-Chek products under license from Sherwin Inc.
- 2004: Obtained NBR 15100:2004 certification from CTA and became a listed manufacturer in QPL with Dubl-Chek products.
- 2010: moved to the city of Bragança Paulista to its own premises.
- 2013: Start of the nationalization of Spectroline products for Leak Detection.
- 2015: includes in its corporate purpose the manufacture of chemical products for third parties.
- 2018: Recertification of the quality management system according to the ISO 9001:2015 standard.
In this way, Metal-Chek secures its leading role in the chemical products market for Penetrant Testing and Magnetic Particle Testing, and diversifies by entering the area of ”private labeling” manufacturing services. The board of directors has been composed of the second generation of the family, Andréia Maria LGP Sobreira , Fernanda Cristina L Gebrael de Moura , and Luciana Julia Laczko Gebrael , since 2015.
Metal-Chek is a company that values the customer-supplier relationship, the management-employee relationship, and especially its social and environmental aspects as an active agent in society and the NDT (non-destructive testing) community.
Organizational Policy, Mission, Vision and Values
Policy
Metal-Chek, a manufacturer of products and equipment for non-destructive testing and specialty chemicals, establishes the following management policy:
- To reinforce the company’s leading market position through planned marketing, sales, and product development activities;
- To maintain the company’s economic health through cost control and optimization of management processes, in order to generate higher revenue and a better profit margin;
- To improve the performance of our products by enhancing their formulas, production processes, and packaging materials, while maintaining compliance with applicable regulations;
- To ensure a good working environment through the use of best practices in social responsibility, occupational health, workplace safety, and environmental awareness;
- Maintain actions to prevent pollution, including resource use, waste disposal, and wastewater treatment.
Mission
To contribute to market excellence in detecting discontinuities, increasing the safety of processes for clients and other stakeholders, in order to ensure and contribute to the integrity of society.
Vision
To maintain Metal-Chek’s position as a benchmark for quality in Penetrant Testing, Magnetic Particles, and Leak Detectors, and to seek market leadership in Latin America.
Values
All our actions will be guided by 6 main values:
- Excellence;
- Sustainability;
- Innovation;
- Ethics;
- Respect;
- Collaboration.
Facilities
Metal-Chek operates from its own headquarters in Bragança Paulista, 80km from the city of São Paulo, in a 10,000m² area specially planned and built to produce its Penetrant Liquids and Magnetic Particles lines, in order to increasingly guarantee the quality of processes and products.
It has three modern laboratories: technical, development and quality, to: Guarantee and continuously improve product quality;
Conduct production monitoring tests.
Concerned with environmental issues, the building has rainwater harvesting points for reuse in bathrooms and gardens; waterproofing treatment of the floor to prevent contamination; treatment of all generated chemical effluents so that they can be discharged into the sewer free of contamination; education, encouragement and application of selective waste collection in all areas of the company (from production to the office, from the cafeteria to the gatehouse) and, finally, the construction of a 3,000 m² green area, with a vegetable garden and fruit trees.
All of this is so that awareness of environmental issues and their impacts can be promoted, preserving the surrounding environment.
Metal-Chek is constantly seeking solutions to meet the needs of its customers while preserving the environment.


