Shyeh Mennq Development

Shyeh-Mennq Development Co., Ltd. has been a reliable supplier of screw header punches since 1994. Our founder, Mr. Chen, has over 40 years of experience in the header punch industry, and our commitment to quality has earned us a reputable standing in Southern Taiwan. We are dedicated to providing high-quality products to help you achieve success. We provide recess types that comply with international regulations such as DIN, JIS, ANSI, and ISO. We provide all the common recess types, as well as special and patented types like Double-square, Torx-Plus and TORX®ttap®. Our dedication to customization means we can meet your specific needs with professionalism and expertise.