Established in 1976 by Mr. Chang Pao Sheng, the companyemerged as a pesticide bottle maker. In the early period,the plastic bottle machinery was operated manually.Afterwards, fully-automatic machinery gradually adopted.In 1985, with expanded business items and introduction ofnew equipment, the company changed name into Yeong Chwenplastics Co., Ltd. Person in charge is Mr. Chang Yung Chun. 
Taiwan