Shandong Shengtang Intelligent Technology Co., Ltd. is a leading professional manufacturer of disposable security seals in China. Established in 2006, we have over 20 years of industry experience, supported by a 15,000㎡ modern factory, more than 200 skilled employees, and 450 advanced production machines, ensuring stable capacity and reliable global supply.
Our main products include Plastic Seals, Bolt Seals, Cable Seals, Meter Seals, Padlock Seals, and Metal Seals, widely used in logistics, customs, energy, power utilities, ports, and public security applications. Our products are trusted by customers in over 106 countries worldwide.
Customization Advantages
We offer strong and flexible customization solutions, including logo printing, laser serial numbering, barcodes, QR codes, colors, materials, packaging, and technical specifications, helping customers create differentiated and competitive security seal products.
R&D, customization, best service, we provide one stop security seal solution with high quality products!
Factory Production Experience
Advanced Production Equipment
Global Business Partners
Production Capacity
We provide free design, including mold design, size and structure optimization, and customized marking design. Plus 6 Person R&D Team,With average 6⁺ Years Of R&D Experience.
450⁺ Sets of Machinery Products, A Complete set of 380⁺ molds, Service on 2000⁺Clients
Professional product recommendation and technical consultation
Artwork and design confirmation within 24 hours
Sample production completed within 3 days
Strict production control and pre-production sample approval
Transparent order tracking and quality inspection
One-year warranty for all security seal products
Fast response and effective solutions for any product issues
Authorized distributors enjoy additional benefits, including policy support and long-term cooperation incentives
Our team committed to providing you with supreme quality security seals.Every member of the team is seriously on duty and responsible for their every works. We Sincerely hope that our technology and efforts will bring you a buying experiences.
Every batch of security seals undergoes anti-theft performance testing before sending.
We have our own testing laboratory with tensile testing machines. Each batch of products can be tested to ensure strength, durability, and compliance with customer requirements.
All printed information, including barcodes and QR codes, is verified using professional scanning devices to ensure readability, accuracy, and traceability.
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