The PL-521 horizontal wrap around automatic labeling machine provides a little or big wide adjustment by equipped with hand wheel mechanism for easy adjustment of applicator. This labeler would also provide flat and smooth labeling depended on product sizes and labeling position by suitable wrap station adjustment. The main labeler structure is manufactured from S304 stainless steel with anodized process and high quality aluminum. It is complied with GMP standard that provides easy maintenance and for a long durable life. Top chain made by FRP chain material and hard-wearing UPE guide rail applied for the conveyer system is designed to be the product appearance protected and efficient performance. It also increases with years of reliable long term use. It is for modular design of the machine structure and all components are standardized and unitized. Parts can be easily adapted with various demands and bring out the best efficiency.