Dongneng Electric Co., Ltd.

Huaguang Hi-Tech Electronics specializes in the production of DO30 series, digital multimeter calibrators, multifunction calibrators, AC/DC standard sources, and single-phase and three-phase power sources. Huaguang DO30 has a 50-year production and manufacturing history. The HG30 multimeter calibrators, multifunction calibrators, and AC/DC standard sources produced by Huaguang have become an important choice for national metrology calibration, quality inspection departments, multimeters, ammeters, voltmeters, power meters, calibrators, and calibration instruments.

Our mission is to provide intelligent robotic solutions for challenging environments. While pursuing innovative unmanned equipment solutions, we liberate people from harsh, boring and dangerous tasks. Through our products and services, we improve personnel safety and production efficiency for more industries.

LED driver and power management IC professional solution design company_Shenzhen Huaxin Optoelectronics Co., Ltd.

Công ty TNHH thiết bị trường học Phục Hưng specializes in school equipment, educational devices, and children's toys, aiming to build a reputable brand known for quality.

Dock&Go offers stylish boxes for charging smartphones with induction charging compartments, various charging plugs, and LED lighting.

HUBBLE is a domestically developed distributed HTAP database. HUBBLE database has ultra-high concurrency, multi-source heterogeneity, full SQL support and other related functional features.

Doctor Battery

Dongying Holdings Co., Ltd. is referred to as Dongying Holdings. The main products of Dongying Holdings include fully continuous waste tire refining equipment, waste oil refining equipment, copper rice machine, waste circuit board recycling equipment, edible oil equipment, animal oil equipment, sweet potato starch production equipment, potato starch production equipment

Dolphin Step operates abacus, art, piano, and English classes in Ginan, Gifu Prefecture. We also provide "childcare" services that add the importance of learning and moral education to "after-school care." With over 39 years of experience and know-how gained from operating various school businesses, mainly swimming, we will support you in turning your child's excitement and interests into "skills."