All crank pins manufactured by our company utilize premium alloy structural steel from Jiangyin Xingcheng Special Steel Co., Ltd. Heat treatment is performed in multi-purpose furnaces, while finished product processing employs high-precision centerless grinders. Supported by experienced processing personnel and comprehensive inspection equipment, we maintain precise control over all technical specifications. Currently, our clients include Jianshe-Yamaha, Chongqing Jianshe, and Northern Yichu.
