Black Cat Blades Ltd. Began Manufacturing Cutting Edges In Edmonton Alberta In 1968. In The Following Decade As Machine Size And Horsepower Increased, Black Cat Invested Heavily In The Latest Technology And Equipment To Produce Higher Quality, Harder, Tougher 'Through Hardened' Edges. Many Other Manufacturers During That Time Were Clinging To The Older Technology, Making Their Carbon Edges Thicker To Compensate For The Lack Of Toughness. That Dedication To Being An Industry Leader Fueled The Company'S Growth And Continues Today. Black Cat Blades Now Operates Multiple Production Facilities In Canada And China And Distributes Their Industry Leading Products Worldwide. more... See more text