30mm Hunting Rifle Scopes ABOUT US Since 2000, Billings Optics Inc.(Billings) has been a leading manufacturer and exporter specialized in research, development and production of rifle scope. Billings are located in Nantong, east coast of China. The company covers an area of 14000 銕? including over 8000銕?of workshop and facilities surrounded by a beautiful garden. Billings LG branch, which is a...