タイトルまたは説明

- mechanical strength, impact resisting and non cracking bottle mouth and thread are of precise measurement. 2 the weight of the product can be pre-set identically. - measurement and thickness of the product can meet the requirement of the design . - surface of the bottle mouth and the body is good outer and smoothness. - rugh selvedge will occur at the mouth or bottom of the bottle products, which saves the cost of the raw material. - the bottom of the bottle there is no joint seam, and the strength is improved. - joint seam on the bottle body is smooth.