1. The shaft tube is made of high-strength alloy steel plate and is welded by submerged arc welding and argon welding. The shaft head is made of alloy...
As one of the earliest domestic manufacturers and founded in 1991, we are specialized in R & D, design, production, sales and import and export trade ...
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Product Description
High-frequency eddy current heating, fast speed of heating up and back to the temperature,achieve constant temperature welding,th...