1. astronomy, optical products: various ornamental binoculars, telescopes, night vision, the Hong Kong Observatory (Museum, Instruments, exhibitions, books, models, square), design, organization and implementation of astronomical science activities.

2. machinery and electronic products: mill, glove box, electronic ballasts, inverter, switching power supplies, and so on.

telescope has a complete series, a large number of exports to Europe, America, Asia, Australia and other countries and regions, optical quality up to international standards. the company also Deputy United States Mead (MEADE) and other famous brands of telescopes in the world.

Observatory (Museum, Plaza) according to customer's specific conditions for different customers design and build the most suitable and ideal Observatory, Planetarium, especially in astronomy can truly distinctive design and manufacture of square, there is no similarity.

astronomy ancient and modern models and specifications varied (can be customized according to user requirements); original structure most simplest, most reliable, feature-complete "multifunctional three Globe" (national patent) . in some astronomical art models (such as sundials, and so on) on the design and manufacture, can achieve unique, "unique"!

planetary ball mill from the ND2 (belt type) gradually improved into a ND7 (wheel type) , noise is significantly reduced, very extended life (national patent) , and is formed from 0.4 liter (experimental) to 100 liter (manufacturing) of the full range.

vacuum glove box is constantly improving the structure and properties of (national patent) , to look more beautiful, easier operation, performance has tended to be perfect.