Are you curious about the top gum manufacturers in China? With the rising demand for chewing gum, especially in the functional and sugar-free segments, it’s interesting to see which companies are leading the way. Let’s dive into the best gum factories in China and what sets them apart.

China O-Ring Kits Suppliers – NNK Oil Seal

Top 10 O-ring Manufacturers and Suppliers in China (2024)

Product Details: Hongju produces high-quality silicone rubber O-rings and high-temperature O-ring seals. These O-rings are used in various applications such as engines, pumps, cylinders, connectors, and valves. The company offers both standard and custom-made O-rings to meet specific customer needs. The manufacturing process includes design, tool making, color mixing, compression molding, and quality inspection. The products comply with ISO 3601 standards and can be made from various materials including silicone, EPDM, fluoro rubber, Viton, and more. The company also provides options for different hardness levels and can use liquid silicone rubber if required.

Pros:
– High-quality silicone rubber O-rings with strong resistance to water, oil, and h…
– Customization capabilities to meet specific customer requirements.
– Strict quality control and compliance with international standards like ISO 3601…
– Wide range of materials available including silicone, EPDM, fluoro rubber, Viton…
– Low minimum order quantity (MOQ) and rapid prototyping options.
– ISO 9001: 2008 certified and FDA-approved products.

Cons:
– Importing from China may involve longer shipping times.
– Factory inspections may be limited due to epidemic restrictions, though online i…

grooved metal gasket sealing 34×1 flat ring square shape …

Product Details: The grooved metal gasket is a customized product available in various shapes, including flat ring and square shape. It can be made to specific dimensions, such as 34×1. The gasket is customizable in terms of color, following Pantone colors. It features a metal core with grooves, typically used with a sealing material like graphite or PTFE. The product can be provided with 2D drawings for precise specifications.

Pros:
– Customizable shape and size to fit specific applications.
– Available in various colors according to Pantone standards.
– Can be used with different sealing materials for enhanced sealing performance.

Cons:
– Limited detailed technical specifications available on the webpage.
– No information on specific materials, temperature, or pressure limits.

FKM O Rings, China NBR O Ring supplier

O-Rings, Rubber Seals – Best China Manufacturer & Supplier

Product Details: Savvy manufactures a wide range of o-rings, including traditional standard o-rings, encapsulated o-rings, backup-rings, and x-rings. The o-rings can be made from various materials such as NBR, FKM (Viton), Silicone, EPDM, HNBR, CR, and Aflas. The temperature range for these o-rings varies by material, with Silicone o-rings operating from -70°C to 220°C. The hardness of the o-rings is measured in Shore A, typically ranging from 40 to 90, with Shore A 70 being commonly used. Savvy also offers custom o-ring production with low mold/tooling costs and fast delivery. The o-rings are available in various colors, with standard colors including Black

for NBR, Green for HNBR, and Brown for Viton.

Pros:
– High-temperature resistance, especially for Silicone o-rings which can handle te…
– Good chemical resistance; different materials have different compatibility with…
– Wide range of materials available, including FDA-grade Silicone for medical and…
– Low mold/tooling costs for custom o-ring production.
– Fast delivery options, including door-to-door courier service.
– High precision and smooth appearance, particularly for encapsulated and custom o…

Cons:
– Low hardness o-rings are prone to peeling, installation damage, extrusion, and p…
– High hardness o-rings can be inconvenient to install.
– Specific materials have limitations; for example, NBR o-rings may not be suitabl…

Gumice O-ring set Gumice za hidrauliku

Product Details: The Gumice O-ring set is a universal set of O-rings in various dimensions, suitable for automotive mechanics and hydraulic applications. The set consists of 407 O-rings.

Pros:
– Universal set with various dimensions, making it versatile for different applica…
– Suitable for both automotive mechanics and hydraulic uses.
– Large quantity of 407 O-rings, providing a comprehensive supply.

Cons:
– No specific details on the material or durability of the O-rings.
– No information on the resistance to chemicals or extreme conditions.
– Product is currently listed as ‘Rasprodano’ (sold out), which may indicate avail…

China O Rings Manufacturers and Suppliers

Gumice O-ring set Gumice za hidrauliku

Product Details: The O-Ring set is a comprehensive kit containing various sizes of nitrile O-Rings. It is designed for hydraulic and other sealing applications. The kit typically includes multiple pieces of O-Rings in different sizes to cater to various needs. The O-Rings are made from nitrile material, known for its durability and resistance to oil and chemicals.

Pros:
– Comprehensive kit with multiple sizes of O-Rings
– Made from durable nitrile material resistant to oil and chemicals
– Suitable for hydraulic and other sealing applications

Cons:
– May not include every possible size, potentially requiring additional purchases
– Nitrile material may not be suitable for all types of fluids or high-temperature…

china mach pro Archives – Page 506 of 574 – Sourcify China

Product Details: Rubber seals, including oil seals, mechanical seals, silicone gaskets, and custom silicone rubber parts, are manufactured using various types of raw rubberized materials. These products are used in multiple industries such as automotive, food processing, electronics, and more. Manufacturers like Dongguan City Huafeng Rubber Plastic Products Co., Ltd. offer a wide array of quality seal products with high production capabilities and reasonable FOB prices.

Pros:
– Reasonable prices due to readily available materials in China.
– Good quality and hi-tech products with strict quality control.
– Vast experience and considerable workforce.
– Multiple production lines and R&D teams for product development.
– Extensive international reach and multi-lingual communication support.

Cons:
– Quality can vary depending on the manufacturer.
– Importing from China may involve complex customs and regulatory processes.
– Potential delays in shipment and communication due to geographical distance.

Xiamen Xlong Seal Co.,Ltd 厦门旭隆密封件有限公司

Comparison Table

Frequently Asked Questions (FAQs)

What types of materials are commonly used by O-ring manufacturers in China?

O-ring manufacturers in China use a variety of materials to produce O-rings, including Nitrile (NBR), Fluorinated Rubber (FKM or Viton), Silicone, Ethylene Propylene Diene Monomer (EPDM), and Hydrogenated Nitrile Butadiene Rubber (HNBR). Each material has its own unique properties and is suited for different applications, such as NBR for general-purpose use, FKM for high-temperature and chemical resistance, and Silicone for medical and food industries.

Can I customize the size and design of O-rings from Chinese manufacturers?

Yes, you can customize the size and design of O-rings from Chinese manufacturers. Many companies, such as Dongguan Hongju Silicone Rubber Products Co., Ltd. and Savvy Rubber, offer OEM and ODM services that allow you to specify the exact dimensions, materials, and even colors of the O-rings according to your needs. They can produce custom O-rings based on your drawings or samples.

What is the typical minimum order quantity (MOQ) for O-rings from Chinese suppliers?

The minimum order quantity (MOQ) for O-rings from Chinese suppliers can vary widely. Some companies have low MOQs, such as 10 pieces, while others may require larger orders, typically ranging from 500 to 5,000 pieces. It depends on the supplier and the specific type of O-ring you are ordering.

Do Chinese O-ring manufacturers provide quality certifications and testing?

Yes, many Chinese O-ring manufacturers provide quality certifications and conduct rigorous testing. Companies like Shangrao Ruichen Sealing Co., Ltd. and Tianjin SWKS Technology & Development Co., Ltd. hold certifications such as ISO 9001, ISO 14001, and IATF16949. They also have certified laboratories to ensure the products meet specific standards and customer specifications.

Can I get free samples from Chinese O-ring manufacturers for testing?

Yes, you can often get free samples from Chinese O-ring manufacturers for testing. Companies like Dongguan Hongju Silicone Rubber Products Co., Ltd. offer free samples to potential customers, allowing you to test the quality and performance of their O-rings before placing a larger order. This is a great way to ensure the product meets your requirements.