Since its foundation in 1977, Hy-Lok has been unyieldingly maintaining its own route while keeping a leading position in the Fluid & Control System Industry in the world. Hy-Lok has supplied tubing system to the world instrumentation market including a variety of piping materials, With the practical experiences, Hy-Lok has perfectly performed as a turnkey business from essential technique of Fluid & Control System to workmanships for installation in all industrial areas in the world. A great stock of knowledge on accumulated technical background will be supplied to the customers. Hy-Lok has built the high level of customer's satisfactions of its quality by achieving internationally accredited certification such as ISO 9001, ISO 14001, OHSAS 18001, ASME, API, CE Mark, and many others.