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Xiangyi (Double Birth Orthopedic Year) Biquting
The tube wave you mentioned is one of the regular optical telescope manufacturers in China.

Others are Panda, Sirius, Cinda, etc. The quality is similar, but the consistency of the same brand and model is not very good. So if you want to buy it, you'd better try it yourself.

The manufacturer's address should be of no use to you. No manufacturer will sell in front of the store and behind it as in the early days of the founding of the People's Republic of China. Besides, buying a pair of binoculars all the way is too low.

Finally, it is suggested not to pursue the magnification of double tubes excessively. Double tube is suitable for low magnification (5~ 10 times under 50mm caliber), and 7*50 is the most mature and classic specification. 12 times binocular image quality, hand-held stability and comfort will be greatly reduced. If you really need high magnification, you'd better choose a bird-watching mirror with a bracket or a popular astronomical telescope.