We own over 49 years’ experience and have the characteristic -team work in medium-size enterprises of Taiwan. Primarily Cheng Yu OEM DIY-stage knives are our major. Accompanying raising equipments continually and RD brain gaining, we successfully evolve another field- ODM professional utility knives & hand tool. Furthermore, one-top-solution is an additional strength of Cheng Yu. From initial prototyping, sample making, tooling making, producing, assembly, packing, and delivery, all related procedures completely demonstrate our efficiency of working. In addition, we could integrate and coordinate fully all related vendors to submit a perfect product-rational price with high quality.