This is to certify that Mr............. has worked as a trainee with Yaita Engineer And Technology Solution Co., Ltd. For two months starting from 3 March 2015 to 30 April 2015. During his employment, we found …..(ชื่อ-นามสกุล)….to be a professional, knowledgeable and result oriented with theoretical and practical understanding of work requirements. He has successfully completed many job related training programmers administered by the training department of the company. The company is satisfied with his training performance.