1.Collect data before use chemical AD-1.
- Mr.Sarawut have customers come to visit the factory.
2.I discuss with Mr.Chatree about chemical AD-1.
- He told now repair HCL tank 3 and if repair finish will New Make up HCL and will use HCL about 1- 2 months.
- After use HCL about 1 - 2 months , they will clean tank and will use AD-1 about month 8.