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Founded in 1992, our factory grew out from a small workshop of conical twin screw barrel production. Thanks to all dedicated employees and loyal customers, our factory is now running by 400 full-time employees with 21 workshops covered in an area of 40 000m2, with a range of screw barrels are produced including Extruder Screw Barrel, Injection Moulding Screw Barrel, Rubber Screw Barrel, Twin Screw Barrel and Extruder Parts.From the very beginning of establishment, E.J.S is designed to produce high quality screw barrel, by using Top-Class steel 38CrMoAla, 40Cr, 42CrMo which are most popular for Chinese Market. For processing various application and meeting different needs from customers all over the world, nowadays we have more steels for option, 1.8550(34CrAlNi7), 1.8519(31CrMoV9), D2, Hastelloy, SKD61, SKD11 etc. We believe good raw material is the grounding and footstone to make a good job.Details matter, this is especially true for screw barrels. The precision and accuracy of product dimensions separate one factory from another.JinTang Island, where our factory is located, also called " Island of Screws", has hundreds of companies making screws and barrels, small and big, old and new, with about 30000 people working in this business. If you want to cheaper prices, keep asking.If quality is critical, you have much less options unfortunately. The rule" Every penny counts" works great here.If quality is your top priority, E.J.S is your great option.