Barrel & Screw Manufacturer

We develop and product single screws and twin-screws, their diameter ranges up to 132mm and their length to 3700mm. We only use materials that imported from Germany or Japan once the geometry has been determined. The screws are produced by the following individual processes.

Shanghai Alpha Machinery Co., Ltd. specializes in design and manufacture of bimetallic barrels and screws. Always developing new technology, our bimetallic barrels and screws help thousands of customers maximize the service life of their extruders and injection machines.

Our engineers conduct thorough analysis according to the customer’s machine model, production capacity required and resin properties before design. All related parameters that may affect screw performance are designed based on theorem, such as screw type, L/D ratio, flight depth, flight density, helix angle and so on. This outstanding design capability will ensure Nan Yun’s screw and barrels help customers upgrade product quality and production efficiency.

Mixer PSE by Sino-Alloy Machinery Inc. that is committed to the exclusive production of Co-Rotating Twin Screw Extruders. Long experience has clearly shown the merits in engineering desing.

Manufacturing plastic machine such as screws, barrel and molding parts. Hi-tech processing machines and testing apparatuses plus rigorous QC system can offer custom-made products of various plastic extrusions, injections and mechanical parts.