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Was founded in 1990. With over 35 years of experience, which has become a prominent name in the global sealing industry. The company is driven by a passion for innovation, an unwavering commitment to quality, and a relentless pursuit of excellence. These core values have enabled DEDE to stay at the forefront of the industry, providing high-quality sealing solutions while continually expanding its market reach.

Company Overview

Qingdao Ruichen Sealing Technology Co., Ltd. is a professional manufacturer of hydraulic sealing elements. Its leading products include high-pressure seals, hydraulic seals, rotary seals, machined seals, Spring-Energized Seals (such as metal seals like piston rings or rod seals), and high-performance sealing materials. The company holds an advanced domestic level in specialized fields such as ultra-high/high-pressure sealing, high-pressure high-speed rotary sealing, and mold-free machined seals. These products are widely applied in hydraulic machinery, plastic machinery, food & pharmaceutical machinery, petrochemical equipment, and other civil and military products.

Established in Xiamen in 2001, Xiamen TuoYan Seals Technology Co., Ltd. Specializes in the research and development of sealing solutions and sealing components for fluid power systems. The company integrates research and development, production, and sales, and has complete production and testing equipment, including CNC machining centers, CNC lathes, large hydraulic presses, computer-controlled sintering furnaces, flat vulcanizing machines, precision injection molding machines, fully automatic fiber impregnation machines, and laminating machines. The company has passed the ISO 9001: 2015 quality system certification and has been recognized as a high-tech enterprise in Xiamen.

Voneseals Technology Co., Ltd.,  is a specialized sealing solution provider. Voneseals' foundation is built upon stable and reliable basic materials and strategic R&D, integrates excellent resources both domestic and abroad to provide customers with professional sealing system solutions.  

Shanghai HSCO Group - A Reliable Global Partner in the Hydraulic Industry

Shanghai Qinuo Industry Co., Ltd was established in the year of 2013 at Shanghai Free Trade Zone, we are a professional rubber seal manufactory specialized in the Oil & Gas filed, Qinuo is a new and high-tech enterprise integrating R&D, production and sales. Since its inception, we adhering to the "Quality for Survival, Innovation Competes For Development " concept, continuous development and innovation, we won a good reputation at home and abroad, we are current using Royal Way & SHQN two brands to do the marketing in the energy industry.

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

Cairong (Tianjin) International Trading Co., Ltd., established in 2005, is a professional integrated industrial and trading enterprise located in Tianjin, China, enjoying a strategic location and convenient transportation. The company specializes in the development, manufacture, and sale of rubber raw materials, rubber seals, injection molded products, and metal molds. We provide customized solutions for the automotive, industrial machinery, electronics, aerospace, and oil and gas sectors, both domestically and internationally. Our products are exported to North America, Europe, and the Asia-Pacific region. We are ISO, SGS, and CE certified, and guarantee compliance with international standards and regulations such as RoHS and REACH. Over the years, while ensuring product quality, we have been committed to providing customers with cost-effective solutions. Our professional OEM&ODM design, R&D, and manufacturing team can provide comprehensive support from product conception to mass production, ensuring we can tailor tailored products to meet your needs. Solving problems for our customers and satisfying their needs is our unwavering pursuit.

Liaoning Mais Sealing Technology Co., Ltd. is a well-established and reputable factory located in China.

Guangdong DEF Seals Solutions Co., Ltd. is a leading seals original manufacturer carrying with more than 20 years professional experience, focus on full series hydraulic seals and PTFE component seals, which including guide rings and Spring Energized Seals, as well as CMRD (Custom Made, Rapid Delivery) urethane and rubber seals.

Ningbo Haige Seals Industrial Co., Ltd. is a leading seal manufacturer with 20 years of experience, specializing in a full range of mechanical and hydraulic seals. Our product line includes over 200 products, including mechanical seals, seal faces, O-rings, packings and gaskets, hydraulic and pneumatic seals, dust seals, guide elements, coupling elastomers, and more. These products are widely used in industries such as the petroleum industry, industrial automation equipment, and general machinery. Haige boasts advanced production facilities and a strict quality control system, committed to providing high-quality products that meet the highest industry standards. Our experienced and professional team works tirelessly to ensure precision manufacturing. Our products are designed to be durable, reliable, and user-friendly, and we are committed to providing our customers with the best possible products and services. We have a strong commitment to sustainable development and environmental responsibility. Our unwavering pursuit of quality has earned us a global reputation. We are proud to serve customers in over 40 countries and regions, including the United States, Germany, and Southeast Asia, who are highly praised for our competitive pricing and superior quality. In the future, our products will be sold worldwide. We are committed to providing high-quality products at reasonable prices, utilizing the latest technology for efficient and comprehensive production, and offering excellent after-sales service. Our company's mission is to prioritize our customers' needs and provide the best possible service. Our dedicated team is always ready to assist our valued customers with their specific needs and provide fast and efficient solutions. We are committed to building long-term relationships with our customers based on trust, reliability, and mutual benefit.

Cangzhou Shengxin Sealing Material Co., Ltd. is located in the world-famous "Hometown of Martial Arts" and "City of Flange Elbows" - Cangzhou City, Hebei Province, China. It is adjacent to Bohai Huanghua Port in the east, Beijing-Shanghai High-speed Railway and Beijing-Shanghai Expressway in the west, and adjacent to Canglang Expressway and National Highway 307. It has a beautiful environment and convenient transportation. The company covers an area of about 15, 000 square meters and has total assets of more than 6 million yuan. The company was founded in 1985, formerly known as Cangxian Litong Sealing Products Factory, and has been producing rubber products for more than 30 years. After years of hard work, the company expanded its business scope in 1997 and added sealing products such as asbestos gaskets, PTFE gaskets, metal spiral gaskets, flanges, elbows, etc. The company attaches great importance to product quality and timely supply., the price is reasonable, so it is well received by customers...

Xingtai Fanshuo Trading Co., Ltd. Xingtai Fanshuo Trading Co., Ltd.  is a premier factory-trade integrated manufacturer specializing in high-performance oil seals and custom rubber sealing solutions. With a fully equipped in-house production facility, we operate a complete manufacturing chain encompassing rubber compounding, precision steel skeleton stamping, advanced compression molding, and automated finishing.

Guangzhou Zhuo Yue Seal Tech Co., Ltd is an integrated company specialized in seals manufacturing and sales, and we are the general agent of SJ Korea BRAND SEALS designated in China.

Hiabrub Rubber (Hengshui) Mechanical Technology Co., Ltd. (hereinafter referred to as "Haibo Rubber") was formerly a state-owned holding enterprise and is now a high-tech enterprise specializing in the research and development, customized production, and provision of system solutions for high-performance rubber and plastic products. The company adheres to the business philosophy of "building on integrity, establishing trust through quality, and establishing business through innovation", continuously introducing international cutting-edge processes and intelligent manufacturing technologies, simultaneously promoting energy conservation, reduction of waste, and lean production, and continuously enhancing the capabilities of large-scale, standardized, and flexible delivery. Relying on its independent research and development capabilities and strict quality control system, the company's products have been widely used in fields such as national defense and military industry, chemical industry, metallurgy, food processing, energy equipment, and high-end equipment manufacturing, and have received high recognition from industry customers. Main products include: Special industrial pipe series (such as food-grade hygiene pipes, high-temperature steam pipes, chemical corrosion-resistant pipes, wear-resistant concrete conveying pipes, high-pressure well control pipes for oil drilling, large-diameter marine oil and gas transportation composite pipes, PTFE-lined metal composite pipes, engine fuel conveying pipes, high-temperature hot oil pipes, etc. ); 3D printing dedicated high-performance wires (covering the full range of original factory raw materials such as PETG, PLA, ABS, 100% prohibited recycled materials); Precision rubber and plastic sealing components (including O-rings, Y-shaped sealing rings, UHS-type oil seals, various elastic gaskets, food-grade sealing pads, NBR/FKM/EPDM material mechanical seals and engine-specific sealing systems); Petroleum drilling dedicated high-pressure elbows and multi-material (metal/ engineering plastic) high-precision machining parts. The company has passed ISO 9001: 2015 quality management system certification and continuously improves comprehensive management systems such as environment, occupational health and safety. Looking to the future, Haibo Rubber will continue to strengthen R&D investment, optimize the full-cycle customer service mechanism, and strive to become a trusted provider of special high-molecular material application solutions.

Ruichen Seals founded in 2006, covering an area of 18000 square meters, is a collection of research and development, production and sales of various rubber sealing parts enterprises. After 18 years development, Ruichen has more than 300 staffs and the current annual amount is 15 million US Dollars.

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.

Zhejiang Yingdeer Sealing Parts Co., Ltd. is a high-tech company, specializing in R &D, production, and sales of polyurethane and rubber seals with over a decade of experience in the sealing industry. The company has inherited the experience in the field of seals, integrated advanced CNC injection molding, rubber vulcanization hydraulic production equipment, and precision testing equipment. It has established a specialized production technical team and successfully developed sealing ring products for mining hydraulic and pneumatic systems, plastic machines, and engineering machinery. The company has approximately 120 employees and its products are highly favored and praised by users both domestically and internationally. The beautiful scenery and convenient transportation are the inherent advantages of INDEL. Striving for excellence and technological innovation are the principles of Innovent's entrepreneurship. With reliable product quality and excellent after-sales service, INDEL people have promoted the development of sealing products in China!

• Hong Fu Xin precision technology company founded in 2004 with having ISO9001: 2008, RoHS certificates. We are specialized in diecasting parts in past 15years. We have full-automatic diecasting machine from 88t to 1250t, 4000m2 sand casting workshop, various CNC machining equipment. We are familiar with various surface treatment which have electroplate, Powder coating, anodized, high Polishing, Shot blasting, Sand blasting so on… The company's lead products are aluminum alloy TV computer bracket. LED radiator, lighting fitting, phone accessories, connected parts, motor shell, hardware, auto parts series, mould design etc… We always supply the best solution and top quality to our clients. Clients' markets from North America to most of Europe market, Russian, New Zealand, East Asian, etc. We stick to the principle "quality first, service first, continuous improvement and innovaion " to meet our customer's satisfaction, offer complete Die-casting.

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.

Zesen Jewelry (P-Box Body Jewelry): Your Professional Partner in Premium Body Jewelry

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.

Jiangsu Hengshunda Hydraulic Technology Co., Ltd. (formerly Taixing Shuntian Machinery Co., Ltd. ) was founded in 1990. It is 20 kilometers away from Jiangyin Yangtze River Bridge and Beijing Shanghai Expressway, and the transportation is very convenient. The company covers about 20000 centiare, construction area is about 12000 centiare, more than 200 employees and more than 30 technicians. The company's main products are: Various specifications of concrete delivery cylinder, hydraulic cylinder, spectacles plate, cutting ring, S-valve, wear-resistant sleeve, concrete pipe and other concrete pump truck accessories.

Lumosora Technology Co., Ltd. - Professional Manufacturer of Silicone Waterproof LED Strip Solutions

Qingdao Micro Precision Machinery Co., Ltd. Was established in 2006. Our company's main products include hydraulic cylinders, hydraulic parts, hydraulic stations, hydraulic valve blocks, and processing of various non-standard hydraulic products and CNC machining parts customized by customers. Major customers include Caterpillar, Sandvik, Sany Heavy Industry, Volvo Construction Machinery, Kubota, and other large domestic and foreign enterprises.

Ningbo Boman Mechanical & Technology Co., Ltd was founded in 2010, Located in Ningbo, one of the largest ports in China. Company adhering to the "Industrial change life" business philosophy with the international working style and localization professional spirit, service to the worldwide customers.

1. Company Profile

Founded in 2010, Hebei Xianghe Rubber & Plastic Products Co., Ltd is located in the Qinghe county Hebei province, it covers more than 10, 000 square meters of area(7, 000 m2 construction area) and with more than 160 employees (including qualified technicians 20 people), specialized in rubber molding & extrusion more than 15 years, industries related train, automotive, curtain wall, doors and windows, ship, electric appliance cabinet, containers etc. It already has become a leading manufacture of rubber products which can provide OEM orders processing, newly-designed products development and after services programs.

Ningbo xintai Industry and trade Co., Ltd. is a professional production and manufacturer of hydraulic hose fittings, hydraulic hose ferrules, hydraulic fittings, Stainless steel hose fittings, hydraulic adapter and other products, with a complete and scientific quality management system. Ningbo xintai industry and trade Co., Ltd. 's integrity, strength and product quality have been recognized by the industry. Welcome friends from all walks of life to visit, guidance and business negotiation. "The pursuit of quality, technology first" is the company's quality policy; "Reputation first, sustainable service" is the company's business purpose. We sincerely hope to establish long-term, mutual trust and mutual benefit cooperation with customers at home and abroad to create the ideal cause.