Fd-lok was founded in 1991 with a registered capital of 110 million RMB. Committed to building a century-old national enterprise, Fd-lok is focused on manufacturing instrumentation valves and fittings for fluid system. With technological innovation, safe and intelligent manufacturing, Fd-lok are committed to assist customers with success by providing them innovative products of high quality and good service. Fd-lok is honored with the title of “National New&High-Tech Enterprise”, “Specializd, Professionalized, Innovated Enterprise” and owns many National Patents, ISO 9001 cert, ISO14001, ISO45001, BV , ISO15848, F1387 cert and etc. Fd-lok also established Academician workstation and CNAS laboratory which can effectively ensure product safety and stability. Currently Fd-lok owns 26 series of products that up to thousands of quantity, which can fully cover customers’ selection. Among these products, high pressure product series can reach up to 100000psi(698Mpa), low temperature product series can reach to -196°C. All are widely used in scientific research, natural gas, petrochemical,power, semiconductor, nuclear industry, solar industry, military and other industries.