Chung-kuo ching-chih po-ho, chiu-ching, lung-nao, chang-nao kung-yeh shih-chih chi ching-li pao-kao
By: Yu Chao-hsin.
Publisher: Yung sheng kung szu
Published: 1983
Place of publication: Hong Kong
Language: chi
Number of pages: 108
Subjects: Yü, Chao-hsing, -- 1901-; Yung Zeng Company.; Menthol.; Camphor.
Other titles: History of the development of refined menthol, borneol, camphor and absolute alcohol in China.
Notes: Mainly an autobiography and a history of a company.

English title page: History of the development of refined menthol, borneol, camphor and absolute alcohol in China, by S.S. Yu, Yung Zeng Company.

Summary in English.