海益塑膠機械有限公司地處中國**大的螺桿，料筒生產基地浙江省舟山市，專業從事精密螺桿，機筒的研發銷售。產品配套應用于各類注塑機，擠出機，飼料膨化機等，質量達**標準并遠銷臺灣，東南亞，美洲等世界各地。

經過多年的努力積累，公司擁有一整套完善的生產技術與先進的檢測設備。產品材料選用**合金鋼38Gromoala, 6542, 經調質，定性，表面氮化，拋光等而成，具有高密的精密性，塑化性，耐磨性。同時生產全國**大的單料筒積木式螺桿**大可達Φ350MM，平雙積木式料筒可達Φ45-150MM。

“HAIYI”是我司產品**商標。秉“技術求精，開拓進取，品質服務”，海益塑膠機械正進一步開拓國內外市場。

HAIYI Plastic Machinery Co., Ltd is located in the largest manufactory area of screw and barrel---Zhoushan , Zhejiang province in China. We are specialized in research and sale of all kinds of screws and barrels which were widely applied to injection machine, plastic machine, extruder and feed expanding machine.The quality has reached to the standard of state and saled to the world like Taiwai, Southeast Asia ,America and so on.

Great accumulating for many years, we are possessed a full set of perfect production technology and inspection equipement. The material is chosen from good alloy steel 38Gromoala,6542. After tempering, analysing and nitriding surface, polishing, our products possessed more precision, more fictile and more werable. Meanwhile we can produce the largest single screw-rod in China with diameter of Φ350MM,parrel single barrels with diameter of Φ45-150MM.

“HAIYI” is our brand Logo. Stick to exquisite technology, enterprising exploit and quality-service, Haiyi Plastic Machinery is furthering open inland and oversea markets.