Here is the rewritten and improved English version of your content, with additional information added to reach over 500 characters and make it more natural and human-like: ---
Model No.: 10.9
Application: Machinery
Finish: Hot Galvanizing
High Quality: Support for Mixed Batch
Tightened Inspection: Dozen Processes
Supplier of Railway for Many Years: Custom-Made Is Welcome
Also Produce Other Fastening: Reliable Product Quality
Trademark: Hongtong
Transport Package: Plastic Bag and Carton
Specification: M22
Origin: Hebei, China
HS Code: 3926909090
Material 8.8s, 45#, 40Cr, 10.9s, 20MnTiB, 35VB
Specification M12 - M36
Application Large-span steel bridges, steel structures, power station boilers, high-rise buildings, stadiums, steel towers, container cranes, and other large-scale friction-type connections
Standard: GB/T 1228~1231 High-strength bolts are widely used in critical structural applications due to their superior mechanical properties. They are manufactured from high-strength materials such as 45#, 40Cr, 20MnTiB, and 35VB. Unlike ordinary bolts made from Q235 steel (equivalent to A3), high-strength bolts have higher strength grades like 8.8s and 10.9s, with 10.9s being the most common. These bolts are designed to be tightened with a high pre-tension, creating a compressive force between connected components. This increases the friction between the surfaces, improving load-bearing capacity and preventing slippage. High-strength bolts are typically used in M16 to M30 sizes and are essential in heavy-duty engineering projects. Our company has been supplying railway components for many years and welcomes custom-made orders. We also offer a wide range of fastening solutions with reliable quality. For more information or inquiries, feel free to contact us at: Link: http://marinepartscn.com/encontact.html Tel: +86 15933828740 --- Let me know if you'd like this formatted differently or tailored for a specific audience.

PVDC Shrink Bags

PVDC Shrink Bag is mainly used for packaging of meat, fish and dairy products. They are used in the form of Air Conditioning Packaging Machine packaging, which not only gives the packaged goods the advantages of Vacuum Bag , but also makes the packaging smoother.
Unlike Vacuum Bags, PVDC Shrink Bags have excellent processability, suitable for production line use and increase production efficiency.
Different from a EVOH Shrink Bag, PVDC Shrink Bags have more stable oxygen barrier properties in wet environments.
Tipack can design shrink bags for users that are functionally suitable for different foods, such as fresh meat, tuna loin, lamb, gamebird, cheese, ham, etc.

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