Jinan Carol Musical Instrument Co.,Ltd is a manufacturer of musical instruments with well-quipped testing facilities and strong technical force. To ensure quality,we have more than 30 QC members to carry out strict inspection at each stage:incoming inspection (IQC),in-process inspection (IPQC) and final inspection (FQC). With sound business credit,excellent after-sales service,and modern manufacturing facilities,Our products sell well in domestic and international markets,and have earned ...