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TSIC 25921: Treatment and coating of metals

Reference page for TSIC 25921 Treatment and coating of metals with Thai tax, wages, standards and operating checkpoints.

2026-08-13Not official

Activities covered by TSIC 25921

TSIC 25921 identifies Treatment and coating of metals in Thailand.

Official activity examples for TSIC 25921

Official NSO examples for TSIC 25921 (Treatment and coating of metals): the wording is retained in Thai to avoid presenting an editorial translation as official text.

  • บริกำร/รับจ้ำงแกะลำยโลโก้โลหะ
  • บริกำร/รับจ้ำงชุบแข็ง ตกแต่ง แกะสลัก แต่งแบบ และ
  • บริกำร/รับจ้ำงแกะสลักชื่อพระขัดแต่งทองเหลือง กัดลำยแม่พิมพ์โลหะ
  • บริกำร/รับจ้ำงแกะสลักลวดลำยทองและเงิน
  • บริกำร/รับจ้ำงชุบแข็งเหล็กด้วยควำมร้อน
  • บริกำร/รับจ้ำงแกะสลักโลหะ
  • บริกำร/รับจ้ำงชุบเคลือบท่อเหล็กด้วยสังกะส ี
  • บริกำร/รับจ้ำงขจัดครำบออกไซดห์ รือสำรอื่นๆ ออกจำก
  • บริกำร/รับจ้ำงชุบเคลือบผิวชิ นส่วนโลหะและพลำสติก
  • บริกำร/รับจ้ำงขัดพ่นโลหะและผลติ ภัณฑ์โลหะด้วยทรำย

Compliance risk score

5 of 6 factors passing

8 / 10

How we calculate this score →

Is TSIC 25921 relevant to your work?

This code typically applies to:

3122Manufacturing SupervisorsManufacturing supervisors coordinate and supervise the activities of process control technicians, machine operators, assemblers and other manufacturing labourers.3139Process Control Technicians Not Elsewhere ClassifiedThis unit group covers process control technicians not classified elsewhere in Minor Group 313: Process Control Technicians. For instance, the unit group includes those who operate multiple process control equipment in manufacturing assembly lines and paper and pulp production.8160Food and Related Products Machine OperatorsFood and related machine operators set, operate and attend machinery used to slaughter animals, trim meat from carcasses, and bake, freeze, heat, crush, mix, blend and otherwise process foodstuffs, beverages and tobacco leaves.7212Welders and Flame CuttersWelders and flame cutters weld and cut metal parts using gas flame, electric arc and other sources of heat to melt and cut, or to melt and fuse metal.7223Metal Working Machine Tool Setters and OperatorsMetal working machine tool setters and operators set and/or operate various machine tools, working to fine tolerances.

Additional occupations for TSIC 25921

9329Manufacturing Labourers Not Elsewhere ClassifiedManufacturing labourers not elsewhere classified assist the work of machine operators and assemblers and perform a variety of simple and routine manual tasks in manufacturing, excluding packing and labelling finished products.7233Agricultural and Industrial Machinery Mechanics and RepairersAgricultural and industrial machinery mechanics and repairers fit, install, examine, service and repair engines, agricultural and industrial machinery and mechanical equipment, except motor vehicle, aircraft and electric motors.

Source: ISCO-08 occupation dictionary + TSIC official activity semantics, 2026-08-13

Official activity name and details

  • English activity label: Treatment and coating of metals

Official extract note

  • Official NSO TSIC ebook page: 92
  • This classification label was imported from the official TSIC PDF extract and linked back to the DBD and NSO routes used in this portal.

Important checks before registration

  • Standards checkpoint: Use TISI compulsory lists to verify whether products trigger mandatory standards review.

TSIC hierarchy position

In this section

TSIC 25921Treatment and coating of metalsTSIC 25922Machini ng
Previous code: TSIC 25910Next code: TSIC 25922

Standards and product checkpoints