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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.

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.

Changzhou Santian Vehicle Industry Technology Co., Ltd. Was founded in 2019. As the strategic window for our parent company, Qixiang Rubber & Plastic Products Co., Ltd., to expand into the global market, we specialize in the international trade and services of construction machinery parts, including rubber seals, hydraulic cylinders, and radiators.

Qingdao Haito Rigging Hardware Co., Ltd is a large enterprise focused on the supply of rigging hardware, located in Shan Dong Province and has manufacturing capability.

Shenzhen Chenqi Jewelry Co., Ltd is located in Shenzhen, Guangdong, and we established in the year of 2003. We are an integrated jewelry company with own design, production and sales. We have 500 square meters for our workshop, and we have 50 staffs work in different production lines in the factory and 29 staffs work in our office who design, manage goods and trades with customers all over the world.

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 Story: The Birth of Four Girls' Jewelry Dream

We are a specialized rubber parts manufacturer with over 30 years of manufacturing experience. Our company mainly produces rubber parts for medical appliances, household appliances, electronic products, automobiles and toys. Both foreign and domestic advanced rubber production and test facilities and efficient scientific management have been introduced for our automatic production. We are well equipped with highly qualified technicians and excellent production and management team. Rigorous inspections are carried out from raw material to finished products with adequate quality system standards. We are the manufacturer with advanced technology, high quality products and good reputation among our clients.

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.

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.

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

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.

Guangdong Kalen Jewelry Co., Ltd. is a leading enterprise in China's titanium steel (stainless steel) jewelry industry. Founded in 2008 and headquartered in Humen Town, Dongguan City, the company focuses on the full-industry-chain layout of titanium steel (stainless steel) jewelry, covering R&D, production, processing, wholesale and retail.

Liaocheng Youwang Hardware Parts Co., Ltd. It is located in Liaocheng City, Shandong Province. It is a manufacturer specializing in the production of all kinds of flat washer, metal stamping seismic bracket parts etc, Both standard and non-standard can be produced or according to customer requests. The products can be tested before they pass the technical part before they leave the factory. The products are exported to all over the world. The quality has been unanimously praised by customers. We always adhere to quality-oriented and serve every customer well. We sincerely welcome new and old customers to visit.

Shandong Boxuan Wear Resistant Material Co., Ltd is a professional manufacturer of wear-resistant ceramic products made from alumina, silicon carbide, and zirconium oxide, integrating R&D, production, processing, and sales. Our main products include wear-resistant ceramic liners, ceramic pipes, custom-shaped ceramic parts, wear-resistant ceramic patches, and structural ceramic components. These products boast advantages such as high hardness, high wear resistance, high temperature resistance, corrosion resistance, and impact resistance, and are widely used in mining, metallurgy, cement, power, chemical, coal, and construction machinery industries.

Jiangsu Baizhou Safety Technology Co., Ltd has been engaged in manufacturing life jacket, life buoy, rescue tube, and FRP box for more than 10 years. We supply other water safety device and marine equipment as well, such as life light series, life boat, swimming pool series, immersion suit, fire fighting series, etc. Our company is located in Dongtai city, Jiangsu province, China, covering 3000 square meters, equipped with R& D testing center, eight working plants and four warehouses. Up to now, our company have more than 100 employees.

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.

Tongxiang Spring Rubber & Plastics Tech Co., Ltd. is a joint-stock enterprise integrating development, production and trade. Spring is endowed with ideal geographic conditions and convenient traffic, only 100 kilometers from Shanghai in the east, the largest harbor in China, and 60 kilometers from beautiful West Lake Hangzhou in the west.

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.  

FASTO is our core brand, dedicated to providing precision hardware solutions worldwide. Behind FASTO, two key entities support our business: Tianjin Winfast Technology Co., Ltd., our main manufacturing base, and Xi'an Fasto Industrial Co., Ltd., our international sales and service company. This structure ensures reliable production capacity combined with professional global trade support.

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.

Shanxi DongHuang Wind Power Flange Manufacturing Co., Ltd. Located in Dingxiang Forging Industrial Zone, Shanxi, China, is dedicated to the Manufacturing and Exporting, Studying and Marketing of big-sized steel Flanges, Ring and Square Forgings, Accessories and other related elements for various industries involving Basic industries, Renewable Energy, Wind-Mill Plant, Oil & Gas Industries, Onshore, Offshore, Refinery, Petrochemicals, Water & WWTP, Food Processing Industries, Power & Shipbuilding Industries, Automotive, etc...We have the Representation and Authorization of Distribution of prestigious Manufacturers, leaders in the World Market that have the most demanding Certifications and Approvals of international organizations, in charge of accrediting the compliance of International Standards in the different processes, procedures, materials, testing, testing, storage, delivery and after-sales service of the manufactured products, in order to provide our Clients with reliable High Quality materials that provide Safety and Integrity in their Projects. Flanges covers Weld Neck, Slip On, Threaded, Lap Joint, Socket Weld, Blind, Orifice, Loose, Plate, Oval, Wind Power Flange, Tube Sheet, other Customized Flanges.

Founded in 2014, Shandong Lifei Biological Group located in High-tech Zone of Qingdao, Established Biological Antibody International

HATAI - Animal Identification & Traceability Solutions.

XINGTAI HONGLEI SEAL MANUFACTURING Co., Ltd. Located at Datuntou, Julu County, Xingtai City, Hebei Province, China. (formerly GUANGMING Oil Seal Manufacturing Factory founded in 1980, changed to HONGLEI in 2015), covers an area of about 15, 000 square meters, employs 130 people, including 20 college graduates, 15 managers, responsible for technology, new product development and Sales project.

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.

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!

Established in 2017, Luoyang Deyu Machinery Technology Co., Ltd. is located in the historically rich and mineral resource-abundant city of Luoyang. The company specializes in the production and export of mining machinery equipment and spare parts, with products sold in North America, Europe, Asia, South America, and other regions, earning widespread trust from international clients.

Xingtai Shuilian Import and Export Co., Ltd. is an integrated industry and trade enterprise integrating independent R&D, production, sales and foreign trade export. It holds independent import and export operation rights and owns a dedicated production factory for rubber seals, enabling full-chain independent control from raw material procurement and production to export.

Zhenjiang Chunhuan Sealing Materails Co., Ltd(Group), a member of China Fluoroplastics commisious. Establish in 1985, now being becoming a leading company in China after more than 30 years.