Donganan Yuyu éléktronik téknologi CO., Ltd. diadaded dina taun 1998, mangrupikeun produksi, panalungtikan sareng ob jasa panarapan sareng dagang. It is mainly committed to the research and development and customization of non-standard hardware fasteners, as well as the production of various precision fasteners such as GB, ANSI, DIN, JIS, ISO, etc.

The company has multi-station cold heading machine, two-mode four, three-mode three, three-mode six, four-point cold heading machine, tooth rolling machine, combined tooth rolling machine can make M1-M16 screws. At the same time, there are gasket stamping machines and other equipment, which can produce a variety of different gaskets, elastic pads, flat pads, square pads, etc. The nut cold heading machine can be used as a nut for M2-M16, and the automatic lathe can be used as a knurled nut and an inlay nut. Mesin camping tinggi, paéh henteu ngahasilkeun langkung ti 0,1mm, maot tunggal tiasa ngahasilkeun ukuran ukuran 3-5mm. The machining center produces precision customized lathe parts, the tolerance requirements can be as small as 0.006mm, the centering machine produces cylindrical lathe parts, and the CNC lathe can produce various precision custom lathe parts. Kami tiasa masihan anjeun sababaraha jinis screws, gaskets, kacang, lathe bagian, tepa bagian camping sareng produk sanésna. Kami kanggo ahli dina solusi ngecas umum, nyayogikeun appél hardah anu eureun-eureun.