Steel pipes pulling claws?

Drag or swipe steel pipe is the cold drawn steel pipe products from the common diameter of any diameter.

To pull the tube material is black steel pipe, after the phosphate chemical products through visual drag lines inside and outside diameters on demand, eventually straightened and annealed to stabilize the properties of the product.

Steel tube products typically pull claw mechanical details such as the canopy, bearings, fork, ... In Vietnam there are a couple of Taiwanese company manufacturing this product, there are local firms Southern Steel pipes and Steel pipe Corporation Phuong Tung.

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