3 ключа Одноместный валторны (JYFH1901N)

Features Bell Diameter:305mm Bore size: 11.65mm Case:Canvas case Spare parts:Mouthpiece ,valve oil,glove,polishing cloth Outside Packing:standard export carton Material:super material and precision metal parts Primary competitive advantages excellent qualityExperienced technical staffWarrantyInternational approvalPerfect packagingHigh reputationCompetitive priceWe can produce all the products as per customer's requirements. OEM SERVICE AVAILABLE. Our factory wasestablished in 1970s,we are mainly specializing in manufacturing brass,wind instruments and harmonicas in China and we have been in this line for more than 30 years! Description French hornis made of super material and precision metal parts!When holding or assembling the instrument,take care not to place any excessive force on the keys. How to maintenance?Depress the piston that corresponds to the valve slide you want to clean,and remove the slide remove moisture from the slide.Apply a thin coating of slide grease to the main tuning slide,second valve slide,and valve slides that are not equippedwith a slide trigger.Remove moisture from the waterkey.Gently wipe the surface of the instrument with a polishing cloth.If dirt or tarnish is obvious,the following products can be used.For lacquer plate,use lacquer polish.For silver plate,use silver polish.