Agricultural roller chains come in S-type, C-type, and other specification series derived from them, with complete accessories such as K, M, C, and F. They are widely used in the fields of agriculture, construction, loading and unloading, and transportation machinery, and their quality meets or exceeds the requirements of original equipment manufacturers. At the same time, the surface treatment technology of alloy coating has been applied to the pin shaft parts of chains, and chains installed with surface alloy coating treated pin shafts can withstand the harshest environmental tests.