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CROWN piano is the new generation piano product which was independent researched and developed by the PZF Piano International Co. Ltd. CROWN brand piano was founded in 1888,experienced 100 years of temper, with our own unique design technology, has own many international honours, with a full essence of piano manufacture craft ,manual exquisite, meticulosity, every component is carefully selected to ensure that each piano has a noble origin and unique artistic aura, CROWN is known as the pure nice sound quality and excellent performance abality. PZF-22A: 1.All the lumbers was experienced sifted ,choosing the most suitable lumbers, handling very strictly in the kiln which is controlled by the computer, prevent the deformations and dehiscence. Using original Germany-made felt, it has sweet sounding and beautiful tone, again experienced unique mould proof, mothproof process, makes long longevities 2.Using high-strength hard maple and the same kind of materials, advanced 18 layers excellent stained wood to process the multi-layer boards, makes the intonation much more steady. The tuning peg made of set one’s teeth on edge threading and coordinate with the EU purpose made craft, maniable tuning and without noise. 3.Keyboard made of UK imported Hainworth felt, using weight balance leaded technology, multilayer laminate design to prevent deformation, back key more sensitive, sense of touch more flexible, middle plate made of aluminum frame structure to ensure the middle plate no deformation, to make keyboard surface flat and comfortable playing. 4.Made of top exclusive Germany Roslau string, to ensure the sound quality is beautiful, can adapt to the different variation weather through anti-rust treatment to ensured the intonation and sound quality. 5.Soundboard are made of yeddo spruce uneual thickness soundboard (3A level)of the Siberia forest's solid wood.Unique bielliptical continuous cambered surface design,therefor to got the gracefull tone and rich sound effect.unique weak tone level,elegant appearance,reasonable angle position,pedal linked system without noise. 6.Location hole craft run through the overall processes, coordinate with the imported highly accurate CNC process center by three-point fix position model, to control the deviations within 0.05mm the assembling precision to ensure the piano quality everlasting.