1. Electrical engineering:

High and low voltage operation, installation, maintenance, duty, power generation, power distribution, etc. Low voltage electrician certificate.

2. Fusion welding and hot cutting operations include gas welding, covered electrode arc welding and carbon arc gouging, submerged arc welding, gas shielded welding, plasma arc welding, electroslag welding, electron beam welding, laser welding, oxygen flux cutting, laser cutting, plasma cutting and other operations.

3. Refrigeration and air conditioning operation:

Air conditioning installation, maintenance and operation.

4. Climbing operation:

Scaffolding demolition and plug-in operation High-tech building high-altitude installation and high-altitude maintenance

Two, the labor bureau occupation qualification certificate

CNC lathe worker, milling machine worker, grinder worker, boring machine worker, modular machine tool worker, machining center worker, foundry worker, foundry worker, electrician, welder, metal heat treatment worker, cold working sheet metal worker, tool assembler, machine assembler, auto mechanic, maintenance electrician, electrical equipment installer, rigger, food inspector, antiseptic worker, Chinese medicine dispenser, refrigerator worker, Chinese worker.