Oil Seal Entersprise Ltd.
Manufacturer of rubber products (silicone, epdm, neoprene, silicone and teflon) including clamps, o rings and seals (oil, shaft, wiper).
http://www.jenp.com.tw/

Pave Technology Co
Manufacturer of hermetic electrical and fiber optic bulkhead feedthroughs cable connector seals for pressure or vacuum.
http://www.pavetechnologyco.com/

Harwal Oil Seals
Perhaps one of the largest selections of seals on the entire internet, große Auswahl der hydraulischen Dichtungen, selección grande hidráulicos de sellos
http://www.harwal.com

Qualiseal Technology
Qualiseal Technology designs and manufactures custom mechanical seals for the aerospace industry and others that require unusual sealing performance with challenging parameters.
http://www.qualiseal.com/

Chester Scientific Glassblowing Services
Glass blowing services for scientific glassware, Laboratory glasswear chester,test tubes chester,Glassblowing services chester
http://www.csgs.co.uk/

Leak-Proof Engineering Pvt Ltd.
Manufacturer of various mechanical seals including metal bellow seals, multiple coil spring seals and rubber bellow seals. Full line of braided packings also available.
http://www.leakproofseals.com

Bestech Co. Ltd.
Oil sealed rotary vacuum pumps, roots vacuum pumps, dry vacuum pumps, diffusion pumps, liquid ring vacuum pumps, vacuum chambers, vacuum gauges, vacuum coating machines, leak detecters.
http://www.bestechvacuum.com/

Ashton Seals Ltd.
Supplier of bonded seals, "O" rings, filter seals and oil seals.
http://www.ashtonseals.com

Presray Pneuma-Seal
Inflatable seals can solve many engineering problems. Doors and other closures can be positively sealed by using inflatable seals. When inflated, an inflatable clamp provides uniform controlled pressure. An inflatable actuator exerts pressure to actuate switching devices.
http://www.pneuma-seal.com/

Anver Vacuum Pumps
Vacuum Pumps, Vacuum Stations and Regenerative Blowers for specialized applications. ANVER offers a wide range of Busch®, Becker®, Rieschle®, Thomas®, and Gast® Brands of Vacuum Pumps all at Great Prices.
http://www.anver.com/document/vacuum%20components/vacuum%20generators/pumps-elec.htm