EPC SOLUTION CO,. LTD. 68, 70, 72 Soi Ramkhamhaeng 60/4, Huamak, Bangkapi, Bangkok 10240 Thailand Tel. (66)02-375-1271, (66)02-735-4450 Fax. (66)02-735-438 www.epcs.co.th January 2021 Page 1 of 37