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KC-25

ER70S-3

YGW14

YGW14

Butt and fillet welding of transportation vehicles, cars, bridges and industrial machinery.

KC-25M

ER70S-3

YGW16

YGW16

Butt and fillet welding of structures such as chemical equipment and pressure vessels.

KC-26

ER70S-G

YGW11

YGW11

Butt and fillet welding of vehicles, electric products, ships, machinery and bridges.

KC-27

ER70S-G

YGW15

YGW15

Butt and fillet welding of vehicles, steel frames, bridges, machinery adn shipbuilding.

KC-28

ER70S-6

YGW12

YGW12

Butt and fillet welding of vehicles, building, ships, machinery and bridges in all positions.

KC-70S2

ER70S-2

-

-

Butt and fillet welding of vehicles, cars, ships, machineries and bridges.

ZO-55

ER70S-G

YGW18

YGW18

Butt and fillt welding of mild steel & 540N/? class high tensile strength steel. Construction Equipment, Bridges and Building.