Profile

DEF SEALS (Guangdong DEF SEALS SOLUTIONS Co., Ltd.) is situated in Dongguan, Guangdong Province. We are a national hightech enterprise integrating R&D, production, sales and professional technical services.
Founded in 2004, we have been deeply rooted in the sealing industry all year round, focusing on the R&D and production of various sealing components.
We specialize in a full range of hydraulic cylinder reciprocating seals, guide series parts, face seals, rotary seals, spring energized seals, brake friction pads, as well as all kinds of specialshaped parts and functional parts. We also supply semifinished tube and rod materials such as PTFE, PU and NBR.
Our available materials cover rubber types: NBR, FKM, HNBR, VMQ, FFKM, EPDM; and engineering plastics: PTFE, UPE, POM, PA, PET, PEEK. These materials possess excellent properties of high and low temperature resistance, corrosion resistance, acid and alkali resistance, high pressure resistance and wear resistance, adapting perfectly to various extreme and complex working conditions. We support nonstandard customization, rapid sample making and efficient mass delivery, to fully meet differentiated sealing application demands from different industries.
Our products are widely applied in hydraulic equipment, coal mine machinery, construction machinery, metallurgical equipment, ceramic machinery, food and medical industry, petrochemical, marine, electric power, aviation, new energy and other core fields, providing reliable operation guarantee for harsh working environments.
Till now, our products have been sold to more than 60 countries and regions across six continents. We have established a mature and sound global marketing and service network, and gained widespread recognition and high praise from customers at home and abroad. DEF Seals has also received ISO 9001 certificate, which allows us to support the growing,and ever changing customer demand with supplying high quality products and service across the world.

