flat o ring6,000+ factories verified

Xiamen HongSheng Hardware Spring Co., Ltd is a growing manufacturer, in terms of stamping part, spring, wire forming, and other metal components in past 17years. We insist on doing what is our professional, what is our best to make sure our customer experience the best service. As an OEMs provider, our products have been widely used in various industries, such as Medical, Automotive, Electronic, Machinery etc,

RUIWAN COMPANY LIMITED was established on basis of PROFESSION, FOCUS AND EFFICIENCY, to supply promotional gifts and Souvenirs to foreign trading and gifts companies around the world.

Born from Football, Made for Players

Hangzhou Snowball I&E Company Limited is specialized producing and exporting various wear resistant parts, tooling mould and other tungsten carbide product for oil and gas, valve and pump, as well as aerospace industry.

Our company is specialized in producing all kinds of hydraulic oil seal, auto seal, rubber seals, such as O-ring, FKM oil seal, stainless steel PTFE oil seal, rotary seal (hub oil seal, box oil seal), etc., which are mainly used in hydraulic and pneumatic aspects, and widely used in plumbing, hardware, home appliances, medical equipment, machinery, electronics, semiconductor, aerospace, military and other fields The main materials used in our rubber sealing products are NBR, EPDM, FKM, HNBR, silicon, ACM, ffkm, etc.

Xingtai Xiangyue Rubber Products Co., Ltd. Was established in 2017. The company is located in Renze District, Xingtai City, Hebei Province. After 8 years of deep cultivation and development, it has become a high-tech enterprise integrating research and development, production, and sales. We strictly follow the ISO900 quality management system. Each batch of raw materials undergoes entry inspection. We adopt advanced turning processes and fully automatic mold vulcanization processes. We have a constant inventory of various high-performance elastomer materials, including but not limited to: Nitrile rubber (NBR), fluorine rubber (FKM), ethylene propylene diene monomer rubber (EPDM), hydrogenated nitrile rubber (HNBR), and polytetrafluoroethylene (PTFE), which can meet the sealing requirements for different working conditions ranging from -60 degrees Celsius to 300 degrees Celsius. The company mainly manufactures and sells sealing products for mine comprehensive mining hydraulic supports, single hydraulic pillar seals, explosion-proof seals, O-ring seals, polyurethane oil seals, combined sealing gaskets, frame oil seals, fluorine rubber oil seals, polytetrafluoroethylene sealing rings, V-shaped cloth-reinforced rubber rings, piston seals, rod seals, dust-proof rings, static seals, etc., which are popular in the consumer market. It enjoys a high reputation among consumers and has established long-term and stable cooperative relationships with many central state-owned enterprises and agents.

With 35 years experience in producing rubber oil seals, Jiang Yin (No. 3) Rubber Manufacturer Co., Ltd. is a professional manufacturer and industry leader in the researching, manufacturing and selling types of skeleton oil seals, O rings, Rubber gaskets, Pump valve oil seals and Oil seal cover.

DMS SEALS was established in 2008. We are a technology enterprise which specialized in the production of seals, the development of seals material and the solution of the sealing of special working condition. We own 120 staffs which including 70 middle and senior technicians. Our factory covers more than 10000 square meters which including 8000 square meters for the workshop. Our production equipment and test equipment are on leading level in the same industry. We are the one of the biggest enterprise who specialized in manufacturing and developing seals in China. We have long time cooperation and communication with many universities and research institutions at home and board. We own a number of invention patents and leading production process. The R&D teams have the ability to design and develop seals for various of complicated working condition of sealing system. We have already passed the certification of ISO 9001 and IATF 16949. We have the mature technical reserve for the solution of ultra-high temperature, ultra-high pressure, ultra-low temperature, highly corrosive and other special working condition. Our products are widely used in construction machinery, automobile, automation equipment, petroleum, water conservancy, chemical engineering, aviation and other area.

Since 2007, Quanzhou Shengda Rubber Products Co., Ltd l has been a manufacturer in sealing solutions. We specialize in manufacturing standard and custom o-rings, seals, gaskets, molded rubber products, and more, using a variety of elastomers. Since its establishment, our company has taken scientific and technological innovation as the development momentum of the enterprise. Through continuous introduction of advanced technologies at home and abroad and a set of rigorous management mode, its products are exported to many countries and regions at home and abroad, and become a long-term strategic partner for domestic and foreign merchants. Our range of products includes Rubber expansion nuts, O-Rings, Rubber mount, custom molded rubber gaskets and rubber washer and so on. Our o rings include AS568 series, JIS standard, ISO standard and Non-standard, more than 4000 sizes are available. Our main market is Nort America, Europe and Southeast Asia.

Shenzhou City Sanshi Rubber Company is a professional manufacturer of rubber oil seal, customized rubber parts, customized PU products, rubber O ring, rubber damper and so on. The material canbe NBR, EPDM, FKM, MVQ, NR, PU, BAKELITE, plastic.

Xingtai Hantai rubber and plastic products Co., Ltd. is located in Xingtai Industrial Zone, Hebei Province. We are an enterprise with more than ten years of experience in specializing in the production of Coal Mine accessories and seals.

Our company offers variety of products which can meet your multifarious demands. We adhere to the management principles of "quality first, customer first and credit-based" since the establishment of the company and always do our best to satisfy potential needs of our customers. Our company is sincerely willing to cooperate with enterprises from all over the world in order to realize a win-win situation since the trend of economic globalization has developed with anirresistible force.

Company Profile

Jiangxi Ayrtter Mass Transfer Technology Co., Ltd by providing professional mass transfermaterials and industrial equipment solu-tions, we constanty provide system solu-tions for chemical industry, chemical fer-tilizer, coking, chlor alkali, salinization. Electric power, environmental protection. Oil refining, coal to liquid, pharmaceuti-cal, fire protection and other enterprises, and carry out in-depth cooperation withmany well-known enterprises for co-de-velopment. Ayrtter mass transfer has been workingclosely with customers, always puttingthe needs of customers in the first place, and providing integrated and high-qualityservices according to the needs of cus-tomers. With a wide variety of productsand technical support, we have beenknown and recognized by customers allover the world. To survive with excellentquality, to develop with high quality ser-vice! Aite mass transfer adheres to thecultural spirit of"we can't stick to therules and don't show up, and we can't in-dulge in achievements without makingachie ve ments"

DOFO Spring Story

 Xiamen Zhongying Electronic Technology Co.,  Ltd is a specialized manufacturer of high-quality injection molded plastic products and silicone rubber components. With years of industry experience, we serve as a trusted manufacturing partner across the automotive, medical, consumer electronics, industrial equipment, and household appliance sectors. We offer both OEM services-accurately producing components from customer-supplied samples, drawings, or existing tooling-and ODM services-providing in-house design and engineering support to bring new product concepts to market.

The development, manufacture and sale of electronic materials. (Business activities subject to approval in accordance with the law may only be carried out after approval by the relevant authorities.

Pingxiang Rongjian Environmental Protection Chemical Packing Co., Ltd.

Established in 2005 Dong Guan YaoBo Metal Co., Ltd is a professional manufacturer and exporter that is concerned with the design, development and production of metal Hair Clips, Lanyard Clips, FOB Hardware Clips, Swivel Hooks, Hardware Ornaments, Split Key Rings, Ball Chain, Carabiner, Snap Hook, Stainless Steel Necklae, Stainless Steel Bracelet, Jewelry Findings, Gifts etc...

Tai'an Ruili Machinery Equipment Manufacturing Co., Ltd. is located in Yangliu Town at the foot of Mount Tai, the most majestic of the Five Sacred Mountains.

Hangzhou Bright Rubber Plastic Product Co., Ltd. Was established in 2004. It is located in hangzhou city, zhejiang Provice, China. Our company is engaged in manufacture Rubber and plastic parts. Our parts main include molded rubber parts, Extrusion Rubber parts, Extrusion silicone/silicone sponge tube/strip, Injection plastic parts, Extrusion plastic parts, Rubber sponge parts, PVC dipping, The main rubber raw material is EPDM, Natural Rubber, SBR, Nitrile, Silicone, Fluorosilicone, FFKM, Aflas, Neoprene, Urethane(PU), Polyacrylate( ACM), Ethylene Acrylic(AEM), Santoprene, HNBR, Butyl(IIR), LSR; The main plastic raw material is PP, PA, PE, POM, PC, PVC, PS, TPE, TPR, TPU, TPV, HDPE, LDPE, Our factory passed IATF16949.

Zhongde (Beijing) Machinery Euipment Co., Ltd is a high technology enterprise with scientific research and professional manufacture. There are engineers and technicians in our company. While our company is complete in equipment and facilities and perfect in testing and inspecting measures.

Guangzhou Ning E-plastics Co. Ltd is specializing in POM, PA6, HDPE, Polyurethane, Polypropylene, Acrylic Perspex, PTFE, CNC items. We can also accept the customers's special design. As Chinese manufacture, We combines decades of invaluable experience and expertise with youthful enthusiasm, Modern equipment and professional in production. Bringing you dedicated customer service and at the best price. Based on mutual trust, To maintain and develop good cooperated relationship with client are our priority. In the past, We have been examined and past the test successfully via different requirement from customers. GuangZhou Ning E-Plastics Co. Ltd has been a well -know company and enjoys the high reputation in the world.

Bosin Hardware

Tianjin King Seal Technology Co., Ltd. Has been focusing on the rubber seal industry.

Jiaxing City Qunbang Hardware Co., Ltd. (brand: QBH) is a fastener enterprise integrating production, design, sales, and after-sales service. The company is located in the Hangzhou-Jiaxing-Huzhou Plain, close to Shanghai, Ningbo, and Zhapu ports. Thanks to its superior geographical position and convenient transportation, the company has natural advantages for export business.

Xiamen Yuken Import and Export Co., Ltd. is a professional trading company specializing in rubber and plastic products, strategically located in Xiamen, Fujian Province-a beautiful coastal city with numerous ports and convenient transportation networks. We own our manufacturing facility, integrating R&D, production, and international trade into a seamless operation.

Locates in China's largest industrial ceramics production base, tower packing professional area, Pingxiang City in Jiangxi province, China, Kelley is a global trade company offering tower packing products and chemical / industrial ceramics for performance-critical applications. Our brand / quality / services add value and enhance competitiveness of our customers.

Erye, founded in 2008, is committed to providing high-quality custom parts with a focus on precision and efficiency. Our production facility spans over 30, 000 square meters and is equipped with advanced automated molding technologies, allowing us to handle both small and large-scale orders. With over 200 skilled professionals, we specialize in custom rubber, plastic, polyurethane, and CNC-machined parts, serving industries such as automotive, electronics, and medical devices.

Pingxiang Ksource Chemical Packing Co., Ltd. is a large-scale production enterprise that mainly produces various chemical packings and packings. For more than 20 years, it has been mainly engaged in the production of Ceramic Ball, Random Packing, Activated Alumina, Honeycomb Ceramic, Structured Packing, Molecular Sieve. The company is located in the Industrial Ceramics Central Industrial Zone of Pingxiang City, Jiangxi Province, which is adjacent to Hunan Province. It is close to Zhejiang-Jiangxi Railway, National Highway 320, 319 and Shanghai-Kunming Expressway, and the transportation is very convenient.