About
our company
Founded in 1989, our factory initially served domestic clients. In 2014, Hebei Yutong Metal Products Co., Ltd. was established to operate the overseas marketing department serving global markets.Located in Hebei Province, our factory enjoys natural transportation advantages, with convenient access to Beijing Airport and Tianjin sea Port. It has a 20,000㎡ production workshop and a 1,500㎡ office area. We have an in-house R&D engineer team and independently developed automated production lines. Our 30-person overseas marketing team serves clients worldwide.
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WHY
CHOOSE US
We work directly for our clients and put client’s interests first. Innovation Guides Us As Always
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Our TeamWe have an in-house R&D engineer team and independently developed automated production lines. Our 30-person overseas marketing team serves clients worldwide.
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Scope Of ApplicationOur products are widely used across multiple global industries, including shipping companies, logistics, railway, airlines, ports/terminals, oil transportation, aviation, railways, state grid, post offices, medical care, etc.
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Certificate Of HonorOur company is dedicated to R&D, having obtained 36 patent certificates, including for RFID electronic seals. These products hold ISO 17712 certification from the U.S. Dayton T Brown Laboratory. Our factory is also certified to ISO 9001 and C-TPAT, with multiple products carrying Annex A and Class 6 certificates.
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After-sales ServiceOur after-sales support guarantees quick responses to inquiries, comprehensive technical assistance, and warranty coverage, fostering long - term trust and satisfaction for all clients.
PRODUCTSCATEGORIES
The ideal choice for
improving efficiency.
Our products are safe and reliable, flexible and easy to use, rapid deployment and other characteristics, can be quickly adapted to different application scenarios in various industries.
Our hot sale products
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![High Security Bolt Seal]( "High Security Bolt Seal")
High Security Bolt SealHigh Security Bolt Seal is a high strength security seal designed for containers, freight trucks and railroad transportation that meets the highest security...
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![Bolt Seals for Trailers]( "Bolt Seals for Trailers")
Bolt Seals for TrailersPin diameter 7mm
Molded pin measures 84mm*23mm*7mm
Molded chamber 37mm*26mm
Numbering tag:33mm*21mm -
![High Security Container Seals]( "High Security Container Seals")
High Security Container SealsPin diameter 8mm
Molded pin measures 74mm*20mm*8mm
Molded chamber 35mm*19mm
Locking body-Zinc plated steel -
![Bolt Seals for Shipping Containers]( "Bolt Seals for Shipping Containers")
Bolt Seals for Shipping ContainersPin diameter 7mm
Molded pin measures 82mm*21.5mm*7mm
Molded chamber 27mm*20.5mm
Locking body-Copperized plated steel -
![Bolt Seal for Cargo Containers]( "Bolt Seal for Cargo Containers")
Bolt Seal for Cargo ContainersPin diameter 8mm
Molded pin measures 84mm*18mm*8mm
Molded chamber 34mm*21.8mm
Locking body-Zinc plated steel -
![Security Bolt Seals]( "Security Bolt Seals")
Security Bolt SealsHead diameter 21mm, pin diameter 8mm
Molded pin measures 86mm*21mm*8mm
Molded chamber 34mm*21mm
Locking body-Zinc plated steel -
![Rfid Tamper Evident Bolt Seal]( "Rfid Tamper Evident Bolt Seal")
Rfid Tamper Evident Bolt SealInsert 18.2mm diameter
Pin diameter 8mm
Molded pin measures 87mm*22mm*8mm
Molded chamber 34mm*22mm
Locking body-Zinc plated steel -
![Trailer Bolt Seals]( "Trailer Bolt Seals")
Trailer Bolt SealsInsert 18.2mm diameter
Pin diameter 8mm
Molded pin measures 74mm*21mm*8mm
Molded chamber 36mm*21.5mm
Locking body-Zinc plated...
Latest news and events
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![What Is The Typical Lifespan Of A Mechanical Seal?]()
Jul 20, 2025What Is The Typical Lifespan Of A Mechanical Seal?Water, oil, and similar media: With proper selection, installation, and proper use, a mechanical seal's service life is generally at least one year.view more -
![Mechanical Seal Repair Steps]()
Jul 19, 2025Mechanical Seal Repair StepsAfter removing the rotating ring, perform a rough grinding process, followed by fine grinding. Polishing is recommended if possible.view more -
![Development And Application Of Mechanical Seals in Industry]()
Jul 18, 2025Development And Application Of Mechanical Seals in IndustryRubber is the most commonly used sealing material. In addition to rubber, other suitable sealing materials include graphite, polytetrafluoroethylene, and var...view more
