Describe：

The 70mm Grade R3 Mooring Chain is a high-performance marine component widely used in offshore mooring systems, featuring excellent tensile strength, fatigue resistance, and corrosion resistance. 

The main purposes of this mooring chain include three key aspects. Firstly, it realizes the positioning and fixing of offshore structures, preventing displacement or drift during operation. Secondly, it transmits and disperses the tension generated by external environmental loads, reducing the stress on the hull or platform structure and protecting key components from damage. Thirdly, it guarantees the safety and operational efficiency of offshore activities such as oil drilling, production, and marine engineering construction, laying a solid foundation for the stable and safe operation of offshore facilities.

Drawing：