有两种类型的 1/2”(13 毫米)链条:
Classic Chain Grade 100:36 to 46 Rockwell C – 硬度良好,且防水性能良好。
HD-Pro Chain Grade Ultra:55 to 60 Rockwell C – 硬度卓越,有利于最大程度地减少磨损。
In a dairy herd, every cow has her own story – and modern herd management tools help tell it. By tracking health, habits and needs, these smart systems let farmers care better, work smarter and keep milk flowing. It's the secret behind happy herds and successful, more sustainable dairy farming.