Shenzhen Qihang electronics Co ltd has involved in 3d printing field since 2014. manufacturing FDM filaments. We have 70 emplyees in factory,Website:http://www.3d-printingfilament.com, 25 of them are R&D team members. The factory's production has been automated. Our company is extreamly emphasis in new filament and material technoogy development. Our main market is: USA, Europe, Russia, Australia etc. We promise to provide high quality and best serivce to all of our customers.