All the tubes need to through automatic pipe bending machine,each bend to reach consistent and meet the international standards,smooth, non-wrinking,no-deformation tubes must through hardened processing , to meet the national handness standards used imported British high power welding machine, make the weld bead smooth , joint smoothfrm and beautiful.
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They are all manufactured according to the strictest international standards. Our products have received favor from both domestic and foreign markets.
They are now widely exporting to 200 countries.