Hidraulica y Juntas, sa See Our Products Watch Visit our image gallery Watch See Our Blog Watch Contact Us. Watch Manufacture of O-rings in Madrid Hijusa is a company that has extensive experience and professionals who guarantee the quality of our products. We are specialized in the manufacture of gaskets, hard rings, O-rings, guides, Teflon bars, pneumatic pistons, scrapers, seals, quick couplings, stopcocks, pressure gauges, high and low pressure hydraulic hoses, etc. Request more information, we will be happy to assist you! FOLLOW US ON... INFORMATION Terms of sale Data Protection Returns Secure payment GET IN TOUCH Telephone: 91 476 00 14 E-mail info: antoniomartin@hijusa.es NEWSLETTER Sign up for our newsletter shipments by inserting your E-Mail Send © 2015 copyright HIDRAULICA Y JUNTAS SA .