Features: Shaft end is sealed by the latest fillers, ensuring no leakage. New-style patent anti-blockage mechanism, flexible and reliable in operation, excellent sealing performance. The end of the convey is set moving parts, minimizing the residue;the chain is equipped with flexible drag and feeding-back cup, minimizing material residue of head structure of conveying section. All-assembly structure design, easy disassembly and assembly, ease of replacement. Applications: Classic model, certified by EU CE safety attestation, widely applicable for the horizontal conveying of powdery materials, granular materials and small particle size materials in feed mills, chemical industry, grain terminals, seaports, malt and oil industries and etc.