My company is one of the finest and and most professional manufacturer of woodwind and brass instruments in China. These include flute, piccolo, clarinet, oboe, saxophone, trombone, trumpet, French horn, etc.

The alto saxophone is  brass body, gold lacquer finish.  
Good leather pads made in China, no air leaking, and very stable. 
You can choose to have single arm or double arm.
There is spring for pivot screw.
Good canvas case
OEM service is offered.