KO YIN can help our customers to develop and design the economical way to decrease the producing cost. We can produce the stable quality, safe, and functional fasteners which apply on the diversity industry customer’s needs. Especially, we have 20 years developing and design motorcycle fasteners experience, and there are a lot of kinds productions, such as welding nuts, T nuts, screws, and bolts used on motorcycle parts. Therefore, we can develop and design the mold what the customers need very efficiently and improved our producing professional technology continually. In 2016, the diversity wheel nuts, screws and bolts which can apply on diversity brand wheel frame are already developed and produced by Ko Ying for automotive parts industry. Hope we can provide the best service for automotive or other industry which need customized fasteners.