Zhou Shan Jin Tang Jian Li Machinery Factory

The company's main products include precision screws and barrels (nitrided screws, bimetallic screws, stainless steel screws, high-speed tool steel screws, fully hardened screws, and barrels). Products are categorized by machine type: injection molding machine screws, extruder screws, blow molding machine screws, chemical fiber machine screws, single screws, parallel twin screws, conical twin screws, screws, and barrel accessories. The materials selected for the company's products are of high quality, including 38CrMoALA, SACM645, SKD11, SKD61, 9Cr18MoV (special stainless steel), HPT (special powder alloy tool steel), etc. These materials undergo tempering and forming. Surface treatments can include nitriding, hard chrome plating, hard alloy spraying, and other special processes.