This letter issued to certify that Mr. Sophark Piyajitti ID card no. 3101800429511 has been employed with TOSHIBA MACHINE MANUFACTURING (THAILAND) Co., Ltd. since 5th January 2015 as the Assistant Quality Control Manager until present. His duty includes of quality assurance and quality control with customer satisfaction service. During the employment with us, he produced various fruitful outputs to our company and being a responsible and reliable person.