Dear Officer,
On behalf of TING TAI COMPANY LIMITED We would like to invite Mr. TSAI, YING - CHIEH Passport No. 215932230 to our factory in Thailand for business purpose Time to check the machine for about 3 months. During this period, he will stay in TING TAI COMPANY LIMITED Factory located at 61/22-23 Moo2, Rama 2 Rd., Khokkrabue Amphur Muang Samutsakhon 74000 Tel : 034- 496456 FAX : 034-496496 To check and solve the problems of the machinery for after-sales service to stable image a period of 3 months. We will responsible for any extra cost happened in Thailand.
From the above of all, we hope you could kindly issue Non-immigrant B Visa for him.