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Guangdong def litiiso Solutions Co., Ltd. e ile ea fumanoa ka 2004, eo  is a technology enterprise with R&D, production and sales department, manufactures a wide range of hydraulic seals, PTFE products applied to harsh conditions, special custom  PU and rubber seals.


R & D bokgoni Nang le basebetsi ba baenjiniere 18, robong tsa tse tsepamisa maikutlo R & D, re amohetse 18 ea sechaba qaptjoa dipatenteng.


Production bokgoni def owns dimela tse peli ditekanyetos ka ho fihlela ho limithara tse 10,000 lisekoere e mong, eo ho eona ka linako tsohle lithupelo mocheso / mongobo PTFE ba emisitse. tlhahiso ea rona thepa akarelletsa imported paatsepama / tshekaletseng CNC mochini, pressers 2000T oli, k'homphieutha laoloa sintering sebōpi, Pu mochini lahla, rabara ho kopanya mochine, vulcanizing mochini, joalo-joalo Re hlahisa tloaelo PTFE / Pu / rabara liqibi le boholo ho tloha 1mm ho 1500mm.

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  • High-performance Metal Spring Energized PTFE Seals

    DEF has been available with various PEEK seals since before 2015. The most famous of these is a Spring seal made of PEEK. But do you really know anything about PEEK?  Today let’s take a look at this mysterious material PEEK (Polyether ether ketone) is one of the slowest developing and expen...

  • DEF R&D team has completed the development of high-performance passivity yaw brake pad and is about to be released…

    DEF Seals have a technical team of 17 personnel, after two years of hard research and development, they finally found the most reasonable distribution of raw materials so far, that’s why we can see the high-performance passivity yaw brake pad now. passivity yaw brake pad belongs to friction mater...

  • What is V-Packing? DEF Seals will let you know… (2nd chapter)

    In the last article we talked about what V-packing is and some of its features and applications. As we said before, V-shaped seal ring is a shaped packing seal, the cross section of v-shaped lip seal ring. It has small working resistance, smooth operation, high pressure resistance, vibration resi...

  • More wear resistance, longer service life—PTFE filled with 60%Bronze

    After more than 2 years of exploration, DEF Seals developed more wear resistance, longer service life Seals with material PTFE filled with 60% Bronze. This seal looks brighter than the traditional PTFE Bronze seals because it is filled with more bronze powder, so it looks golden. As we all know, ...