HJ3 W is a high-tech enterprise specializing in micro exact components and its key material on R&D, manufacturing , sale and servicing. Our main products include as below: 1) Micro ceramic components processing 2) Zirconia sleeve, Fiber optic adapter, Patchcord 3) Micro optic glass, Jewel components 4) Micro metal components processing Our products abroad apply to fiber optic communication, communication, watch, electron, microwave, semiconductor and medical treatment industry. Our company builds up many channel cooperating relations with well-known firm of the mainland and oversea. In today, we try hard to hold kernel material and key technology, and bring to high value for our customers.