Zhoushan Jialong screw manufacture co.,Ltd is the professional manufacturer of designing and manufacturing all kinds of screws and barrels which are for all kind of different plastic machinery industrial. Meanwhile we are an appointed enterprise of plastic machinery in Zhejiang Province. It covers an area of 8000 sqm and Our company has powerful technology team, advanced processing and production equipments, rich experiences in making screws and barrels for more than 20 years.

We are stick to the tenet of taking quality as the heart of company and wholehearted service. We do our best to provide you high quality service and products. Wish to march on with old and new customers at home and abroad.