Dio Seals is a dynamic and innovative company specializing in the manufacturing of security seals. With a commitment to excellence, we strive to provide high-quality products that ensure the safety and integrity of your valuable assets during transit and storage.

Since our inception, Dio Seals has been dedicated to producing a wide variety of tamper-evident seals, including bolt seals, cable seals, plastic seals, metal seals, padlocks, instrument seals, and lead seals. Our products find applications across diverse industries, including customs, ports, logistics, transportation, postal services, supermarkets, banks, oil companies, security, water, and electricity.

Operating our state-of-the-art production facility in Sri Lanka, we leverage industry-leading technology and adhere to strict quality assurance quality control measures to ensure that our products fully comply with Industry standards. Our tamper-evident seals are designed to be secure, tamper-proof, and reliable, giving you the assurance that your shipments and assets are protected.

Choose Dio Seals for innovative and reliable tamper-evident security seals. We are committed to delivering excellence and ensuring your peace mind in an ever security landscape


At Dio Seals, our mission is to be a leading global provider of high-quality, innovative, and reliable seal lock solutions. We are committed to safeguarding our customers’ assets and ensuring the security and integrity of their goods during transit and storage. By continuously expanding the boundaries in terms of technology and design, we aim to deliver products that surpass industry standards, offer peace of mind, and contribute to a safer and more secure world.


Our vision at Dio Seals is to be the preferred choice for seal lock solutions locally and worldwide. We strive to set new benchmarks in the industry through excellence in product development, customer service, and operational efficiency. By fostering a culture of innovation, sustainability, and collaboration, we envision Dio Seals as a driving force behind advancements in security technology. Our dedication to customer satisfaction, ethical business practices, and social responsibility guides us in achieving enduring success for our stakeholders and making a positive impact on the global supply chain ecosystem.

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