Nanjing Kefran Machinery Equipment Co., Ltd. is a professional manufacturer in China that designs, produces, processes, and manufactures core components of extrusion machines. Our main products include extruder gearboxes, threaded components, machine barrels, mandrels, etc. Since the establishment of the company, we have always adhered to active communication and cooperation with experts and professors in the same industry, learned from experience and lessons, learned from each other, and continuously accumulated technical strength. We are committed to creating high-quality products with reliable quality, timely delivery, reasonable prices, and customer satisfaction.

Our company has advanced and mature processing technology, ensuring the accuracy and quality of processing.

Transmission - The raw material is selected from ME low-carbon alloy steel, with carburizing and quenching process/hardness HRC58-62.

Thread components - Verticality 1-2 threads. Ensure that materials do not enter the spindle.

The raw materials have undergone quenching and tempering, spheroidizing annealing, stress relieving, quenching, ultra deep cooling, QPQ, plating, and nitriding processes. We have collaborated with the most experienced and advanced heat treatment companies in China to ensure the impeccable wear resistance of the products. We use high-quality D2, W6M05Cr4V2, HIP powder alloy, WR13, WR14, WR5, 38CrMOAI, and other raw materials. workable Φ 14- Φ 400 extruder screw accessories