长号JYTB1502

Trombone JYTB1502 Bb Key Finish:lacquer Material: Yellow brass body Stainless steel valve Bell size:205mm Bore size:13.55mm Spare parts:Mouthpiece,valve oil,polishing cloth Outside Packing:standard export carton 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 Tromboneis 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?Remove moisture from the water key.Use a gauze cloth to clean off the slide creamand moisture on the inner slide.Wrap the cleaning rod with gauze leaving no bare metal exposed.Remove dirt from the inside of the slide's interior.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.