As an important part of trumpets , valves keys are easy to jam and rebound slowly in use. Many of the reasons for this are because the new trumpet is not in place or the valves manufacturing machine precision is not enough. We use 1/100 mm mechanical
accuracy to ensure that each piston can be used normally under the action of lubricating oil.

We have a very complete quality control system. Not only the independent products can check the batches, each part can be accountable to the corresponding production line.
Not only that, we will conduct a strict test before delivery and before delivery to ensure the normal use of the trumpet when it reaches your hand.

The production of high-quality products, but also in the attitude towards popular products. This rigorous and serious attitude makes sure that:It is a very outstanding Bb trumpet,its sound is excellent and bright, penetrating, abundant and powerful, excellent vibration. It’s Appearance is Beautiful and uniform golden lacquer, dazzling and shiny, clean and transparent color with superb reflection.