Are you looking for the best origami paper manufacturers in China? If so, you’re in the right place In this article, we’ll explore the top factories that specialize in producing high-quality origami paper, highlighting their unique features, production capabilities, and what sets them apart from the rest. Let’s dive in and find the perfect paper for your next origami project.

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 widely used in various applications such as engines, pumps, cylinders, connectors, and valves. The company offers both standard sizes and custom-made O-rings to meet specific customer needs. The manufacturing process includes O-ring design, tool making, color mixing, compression molding, quality inspection, and packaging. Hongju adheres to ISO 3601 standards for dimensions and tolerances and uses high-quality raw materials. The company also provides options for using liquid silicone rubber and offers different hardness levels with a tolerance of plus or minus 3-5A[1].

Pros:
– High-quality silicone rubber O-rings and high-temperature O-ring seals
– Custom-made O-rings available to meet specific customer needs
– Strict quality control and adherence to ISO 3601 standards
– Wide range of applications including engines, pumps, cylinders, connectors, and…
– Use of high-quality raw materials and advanced equipment
– Options for different hardness levels and materials such as liquid silicone rubb…
– Fast production and shipping times

Cons:
– Importing from China may involve longer shipping times depending on the destinat…
– Quality inspection and testing may require additional time and resources
– Custom orders may have varying production cycles based on quantity and complexit…

Xiamen Xlong Seal Co.,Ltd 厦门旭隆密封件有限公司

FKM O Rings, China NBR O Ring supplier

Product Details: The products offered by www.o-ringsseals.com include a wide range of O-ring seals made from various materials such as NBR, CR, SBR, EPDM, IIR, HNBR, ACM, NR, EP, SIL, FKM, and more. These O-rings are available in customized sizes, colors, and hardness levels (20 Shore A to 90 Shore A). They comply with international standards like AS568, JIS-B2401, DIN-3771, BS-1516, and ISO3601. The products are used in diverse applications including automotive, construction machinery, machine tool equipment, food, health, water treatment, and chemical processing. The company, Rui Chen Sealing Co., Ltd., has two factories in China and follows strict quality control processes,

including ISO9001 and TS16949 certifications[1][4][5].

Pros:
– Good shock-proof, heat insulation, and sound insulation performance.
– Excellent flexibility and anti-compressive deformation, chemical resistance.
– Customizable specifications, packing requirements, and colors according to custo…
– High and long lifetime of components from well-known manufacturers.
– Compliance with ISO9001, CE, SGS, FDA, RoHS, and Reach certifications.
– Experienced staff providing fluent English support and quick response to inquiri…
– Wide range of materials and sizes available, including non-standard sizes.
– Immediate delivery from a large inventory of over 300 million O-rings.

Cons:
– Minimum Order Quantity (MOQ) requirements, which can be a barrier for small orde…
– Payment terms require 100% payment in advance for orders under $1000 and 30% in…

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 60-70 being the most common. O-rings are available in various colors, and custom colors can be produced with a provided RAL or Pantone color number. Savvy offers fast delivery and competitive

pricing due to their extensive mold inventory and favorable courier rates.

Pros:
– High-temperature and FDA food grade options available
– Wide range of materials to suit different working conditions
– Low mold/tooling cost for custom o-rings
– Fast delivery through door-to-door courier
– Competitive pricing due to favorable courier rates
– Good wear resistance, oil resistance, and corrosion resistance depending on the…

Cons:
– Low hardness o-rings can be prone to peeling, installation damage, extrusion, an…
– High hardness o-rings can be inconvenient to install
– Specific materials have limitations, e.g., Silicone o-rings have a specific hard…

O Rings Manufacturer | O Rings Supplier – Hongjie Rubber Seal

Product Details: Hongjie Sealing Technology offers a wide range of O-ring products, including custom O-rings, rubber O-rings, silicone rubber O-rings, and other sealing devices. They provide one-stop OEM/ODM solutions with options for custom design, color, packaging, and logo. The company adheres to various international O-ring standards, and most sizes are already tooling, eliminating the need for additional investment. They use certified compound materials to meet specific market requirements and have a certified laboratory for developing and identifying match compounds per customer specifications or ASTM D200 callouts.

Pros:
– One-stop OEM/ODM solution for all sealing needs
– Custom options for design, color, packaging, and logo
– Adherence to various international O-ring standards
– No need for additional tooling investment for most sizes
– Certified compound materials to meet specific market requirements
– Certified laboratory for compound development and identification
– Rapid prototyping and emergency production capabilities
– IAFT 16949 certified with strict quality control standards

Cons:
– No specific details on minimum order quantities (MOQ) or lead times provided
– Limited information on the range of materials available beyond standard and cert…
– No direct comparison with competitors in terms of pricing or delivery times

China O-Ring Kits Suppliers – NNK Oil Seal

Product Details: The O Rings Boxes 382 Pcs (Kit) from NOKCN-Seals is an assortment of O-rings packaged in a practical resealable plastic case. This kit includes 382 pieces of O-rings in 30 of the most popular sizes, making it a universal series o-ring assortment. The O-rings are made from high-quality materials such as NBR (Nitrile) and Silicone Rubber, ensuring durability and effective sealing performance. The kit is designed to meet various industrial and maintenance needs, including applications in connectors, cylinders, pumps, and valves to prevent the leakage of liquids and gases[5].

Pros:
– Contains 382 pieces in 30 assorted sizes, providing a wide range of options for…
– Made from high-quality materials like NBR and Silicone Rubber, ensuring durabili…
– Packaged in a practical resealable plastic case for easy storage and organizatio…
– Suitable for various industrial and maintenance needs, including high-pressure e…

Cons:
– Limited to specific materials (NBR and Silicone Rubber), which may not be suitab…
– No customization options mentioned for specific size or material requirements be…

Xiamen Seals Technology Co.,Ltd: China O-Rings, X-Rings …

Viton O Ring Suppliers, Manufacturers, Factory

Large diameter store rubber o rings – Kin by Rice n Roll

Product Details: Kin by Rice n Roll is a family-run restaurant in the Wauwatosa neighborhood, operated by the Rice n Roll Bistro family. The restaurant offers a variety of Asian food and sushi with a modernized look and authentic taste, particularly from Thailand and Japan. The menu includes items like steamed buns, flaming tuna crispy rice, Kin wings, salmon tartare, and various sushi rolls. They also offer ramen dishes, including spicy miso, tonkotsu, and vegetarian options, developed after hours of recipe refinement.

Pros:
– Variety of Asian dishes, including sushi and ramen
– Modernized presentation with authentic taste
– Family-run restaurant with a passionate approach to homemade cooking
– Option to substitute brown or black rice for white rice in sushi
– Interactive and customizable dishes like the salmon tartare

Cons:
– Reservations are only available for parties of 2 or more
– No reservations accepted on Fridays and Saturdays
– Tables will be released if guests are more than 5 minutes late

Custom O-ring Manufacturer and Wholesale Supplier – Hongju

Product Details: Hongju Silicone offers custom and wholesale O-ring seals made from high-quality silicone and rubber materials. These O-rings are designed for various applications, including engines, pumps, cylinders, connectors, and valves. They are available in standard and custom sizes, and the company follows ISO3601 standards for dimensions and tolerances. The manufacturing process includes O-ring design, tool making, color mixing, compression molding, quality inspection, and packaging. The company uses strict quality control measures, including manual and machine testing, to ensure the products meet customer requirements.

Pros:
– Wide selection of stock items at wholesale prices
– Customization capabilities to meet specific needs
– High-quality raw materials and precision molds
– Strict quality control over the production process
– Fast delivery and good customer service
– Ability to accommodate low minimum order quantities (MOQs)
– Free samples available for testing

Cons:
– Specific hardness tolerance of plus or minus 3-5A may not meet all precision req…
– Silicone O-rings have poor tear resistance and are not ideal for dynamic applica…

Comparison Table

Frequently Asked Questions (FAQs)

What types of materials are commonly used to manufacture O-rings in Chinese factories?

Chinese O-ring manufacturers use a variety of materials, including Nitrile (NBR), Ethylene Propylene Diene Monomer (EPDM), Hydrogenated Nitrile Butadiene Rubber (HNBR), Fluorinated Rubber (FKM), and Silicone. Each material has its own unique properties and is suited for different applications, such as high-temperature resistance, chemical compatibility, or wear resistance.

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, like 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 also provide services for custom molds and tooling.

What are the typical minimum order quantities (MOQs) for O-ring purchases from Chinese factories?

The minimum order quantities (MOQs) for O-ring purchases can vary widely depending on the manufacturer. Some companies have low MOQs, such as 10-100 pieces, while others may require orders of 500-10,000 pieces. It’s always a good idea to check with the specific manufacturer, as some may accommodate smaller orders with flexible MOQ policies.

How do Chinese O-ring manufacturers ensure the quality of their products?

Chinese O-ring manufacturers often adhere to strict quality control standards. Companies like Jiangyin No.3 Rubber Manufacturer Co., Ltd. and SWKS Seal conduct thorough quality assurance checks and tests on each product before shipping. Many of these manufacturers are also certified with international standards such as ISO 9001, ISO 14001, and IATF16949, ensuring high-quality products.

Do Chinese O-ring manufacturers offer any additional services beyond just production?

Yes, many Chinese O-ring manufacturers offer additional services beyond just production. These can include assembly, packing, and shipment of the products, as well as on-site service support. Some companies also provide free samples for testing and have strong sales teams to assist with your needs throughout the process. This makes them a one-stop solution for all your O-ring requirements.