During Mar. 1st to 3rd 2017, SPS—Industrial Automation Fair(the most important Industrial fair in the south of China) was held in Guangzhou China Import and Export Fair Exhibition Hall. Wuma brought precision planetary gearbox which is Wuma’s latest research and development product to this fair. Planetary gearbox is the design of planetary gear structure. Sun wheel and planetary wheel are processed by carburizing quenching. Precision hobbing is up to 6 level GB/T10095-2008. Both appearance and quality of planetary appealed to a lot of clients and experts.In creative development and innovation and brought new conception, wuma will improve new product continuously and update R & D technology in future.