海阔紧固件（苏州）有限公司
Founded in Germany in 1900, HEICO group has developed to a leading provider of high-quality solutions.
HEICO-LOCK® wedge locking systems meet DIN 25201-4 standard which can effectively secure bolt connections. The systems use tension instead of friction, work at low and high preload levels including when using lubricants, very easy to be installed, removed and re-used.
HEICO-TEC® tensioning systems meet all requirements of ISO 898-2 standard thus can replace any conventional nut with same strength. Confirmed by DNV GL, it guarantees repeatable tightening accuracy better than +/-5%.
Website：www.heico-fasteners.cn