Thai Industrial Gases Public company Limited (The Linde Group)
15th Floor, Bangna Tower,
2/3 Moo 14, Bangna-Trad K.M. 6.5 Rd
T. Bangkaew, A. Bangplee, Sumutprakan 10540,
Thailand Tel : +66 2 338 6357 / +66 2 338 6356
Fax : +66 2 312 0128
Email : Pakpoom.jittavisuttiwong@tig.boc.com
Contact Person (Service) : Mr. Pakphoom

Diamond International Big Group Ltd
47/2 M.4 Sukumvit Road
T.Surasak A.Sriracha Chonburi
20110 Thailand
Tel : +66 3 877 3773/8
Fax : +66 3 877 3780
Contact Person (Service) : Mr. Khun Petch

Welding Whale Co., Ltd
190 Sutthisarn Rd, Dindang, Dindang
Bangkok 10400
Thailand
Tel : +66 2 691 9486/9
Contact Person (Service) : Mr. Kasem Abinoraseth