why is argon used in arc welding_why is argon used in arc welding

Our factory can also produce according to the customer ' s requirement, the products widely applies in the national stadium construction , bridges building, ship - building, petrochemical industry, machinery manufacturing, oil and water transportation project, and all kind of engineering. And civilian use is very extensive. Our products have been widely accept by the market , even , many countries used the products to get the large bidding project.
We continuously improve product quality for international economy synchronous development.
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