Jinbao is the factory that makes the Selmer S80 copy, and a variety of stencils, including the IW 661, Oleg, Hunter, et.al. Jinbao also sell bass saxophones under its own name.
International Woodwinds Model 661
Source: wwbw.com & ebay.com
Source: Totalbrass de on eBay.com
Total Brass gives us perhaps the most honest, and accurate descriptions of these Chinese-made bass saxophones that I have seen to date:
High quality bass saxophone in Bb. Its excellent intonation and an easy playability make this instrument perfectly suited for semiprofessional saxophone players.
Tuyama ® TBS-271 Bass Saxophone in B flat
- in Bb
- low Bb and high F# key
- body and neck: brass, lacquered
- leather pads, stainless steel springs
- adjustable thumb key
- high quality mouthpiece included
- high-quality case with backpack straps
produced in China, tested in Germany