HJ3.W Inc company was founded in 2003 and is a high-tech enterprise specializing in the R&D, manufacture and sale of fiber optic components and accessories. Our products are widely applied to fiber optic communication, communication, watch, electron microwave, semiconductor and medical industries. Our main products include fiber optic connectors, fiber optic patch cords, fiber optic adapters and fiber optic precision metal components. We have advanced production lines, and an ...