Not being familiar with this brand, I went to the Shandong Taishan Wind Instruments Manufacture Company for more information. At the site I found "Saxophone Playing Techniques" which is too good not to share. Apparently it loses a lot in the translation.
"To start from easy to pronounce the sound, in the ultra treble range, most likely to sound is C note (actual pitch is La sound), such as playing the sound before the first sounded, as far as possible to blow a few times and your mind to thinking that the sound of the super octave above the treble after one or two years of practice can also practice more high notes.
The following points should be noted in the practice of playing a super high note:
The first is to pay special attention to the intonation, tone, high tone is meaningless.
The second is to try to make the timbre and natural overtone super high tone to maintain unity. -
The third is to make the volume balance of the volume and nature of the super high overtone.
and that the most likely to find the correct pronunciation of fingering, smoking mouthpiece, to blow tube, but not with his tongue to tube expiration, when blown out of the sound is not a super tweeter, appropriate to transform
Different mouth power and different flow, repeated blowing, blowing out until the treble.
When the sound is accurate to seize the opportunity to practice a few times, and to maintain a long sound. And feel what kind of mouth and air to blow out. In practice is the beginning of intonation can not consider the first tone, is the main tone sounded."