Chunyee began the study of violin at six years of age with his father, a violinist of Shanghai Philharmonic; Later he studied under Professor Li Ke Chiang as his private student.

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"Because Lu was trained a violinist, he could play the instruments himself and then quickly sense the problem. " Kyle MacMillan, "CSO musicians "string" the praises of their luthiers," CSO Magazine Sounds & Stories

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"Those upgrades created what the Chang called a “quantum leap” in the sound." Kyle MacMillan, "This luthier works in homage to a past master of his art," CSO Magazine Sounds & Stories

During the past three decades, Chunyee has served some of the most influential musicians (see "Clients Glamour") and prestigious institutions, such as Chicago Symphony Orchestra and Northwestern University. Chunyee has done very important restoration works on rare instruments, including Stradivarius, Guarneri, Amati, Gasparo da Salò, Goffriller, Ruggieri, Guadagnini, Grancino, Pressenda, Gagliano, Ceruti, Rocca,  etc.

Chunyee has more than 30 years of experiences in violin making, restorations and authentications. He serves as a luthier, appraiser, and dealer for musicians and collectors in Chicago and other states. He has been featured in Chicago Symphony Orchestra magazine CSO Sounds & Stories twice.

Chunyee was graduated from Chicago School of Violin Making in May 1993.

Chunyee has written approximately 1800 appraisals and authentication certificates for musicians, violin collectors and institutions, such as Northwestern University-Bienen School of Music. Guadagnini Violin Shop's authenticity certificates are highly sought after by musicians and violin connoisseurs; its insurance appraisals are highly respected by major insurance companies.