Zhoushan Jianghai Screws Manufacture Co., Ltd. specializes in R&D, designing, and manufacturing screws and barrels. Decades of focus and effofts bring us good quality and reputation. We have established long-term supplying relationships with many domestic famous injection moulding machine manufacturers, and been granted with many honors of Excellent Supplier. We have advanced manufacturing technique and equipment, possess rich experience in design, which make it possible for us to offer our clients a variety of goods with nitriding, chromeplate, stainless steel, bimetallic surfacing, and tungsten carbide thermal spraying treatments, ect. to meet the needs of different applications. Over the years, Jianghai has been in line with the concept of “Quality First, Customer Supreme”. Also, we are in the constant pursuit of the development of high-end products and providing mapping, designing, sampling processing, refurbishment business, and so on. We seek mutual development with you by our excellent quality and timely service.