Years of
Experience
Shandong Shengtang Intelligent Technology Co., Ltd. is a leading professional manufacturer of disposable security seals in China. Established in 1996, we have over 30 years of industry experience, supported by a 20000㎡ modern factory, more than 200 skilled employees, and 450 advanced production machines, ensuring stable capacity and reliable global supply.
√ 30+ years experiences, rich products with more than 300 sets of mold
√ Certified to ISO 9001, ISO 14001 and OHSAS 18001
√ All equipment in the factory has finished upgraded in 2023
Bolt seal / cable seal / plastic seal / meter seal / padlock seal / Bar Seal / Metal strap Seal / RFID Seal
Security seals are widely used in many fields. Most commonly seen in logistics and transportation; Retail & E-Commerce; Utilities and Industrial; Healthcare & Chemical; Oil and Gas industry; Customs industry; Fire extinguishers and safety
Transportation and Logistics
Retail & E-Commerce
Utilities and Industrial
Seal utility meters (water, gas, electric), chemical drums, and specialized storage areas.
Healthcare & Chemical
Secure clinical waste bags, medicine trolleys, and hazardous material containers.
Oil and Gas industry
Protecting the valuable assets in the oil and gas industry from theft and unauthorized access.
Customs industry
Fire extinguishers and safety
Providing a reliable self-locking chain that breaks upon activation, indicating that device has been broken.
Bank cash in transit
Sealing cash bags, coin bags, and courier totes,cabinets, vault doors, and transport trolleys
We offer a full range of security seals—plastic, bolt, cable, meter, padlock, and metal—all from one reliable manufacturer.
Source every type of security seal you need from a single, dependable supplier. Our comprehensive line includes plastic, bolt, cable, meter, padlock, and metal seals.
We have served as a designated supplier to State Grid Corporation of China for over five years, demonstrating our consistent reliability and trust.
Throughout our partnership, our products have consistently met State Grid’s stringent technical and quality standards.
Our township factories combine automation with a skilled local workforce, ensuring stable production and lower operating costs for better value.
We leverage both automation and manual precision to maintain quality while offering highly competitive pricing.
Please Keep An Eye On The Developments Of Our Company
Recently, Alibaba.com held its highly anticipated 2025 Annual Ceremony and Jinan Regional Annual Ceremony, events that recognize outstanding companies and achievements across various industries. At the ceremony, Shandong Shengtang Intelligent Technol...
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In January 2026, our factory held a comprehensive monthly meeting to address one of the most crucial aspects of our product shipping process: safe packaging. We discussed various methods to ensure that our products, which are critical for security an...
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From September to November 2025, our factory was pleased to host a series of visiting customers from a variety of countries, including Bangladesh, Kyrgyzstan, Morocco, and several others. These visits were part of our ongoing efforts to strengthen in...
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