1 . QDGY brand brake lines are made of low carbon steel, single wall pipes . The pipes are conformed to ASTM A-254-91, A-512-91A(in material) and ASTM A214,A513(in pipes quality).

2 . The processing technique is exactly as per requirement of the given drawings or samples by pipes cutting, formed, assembly or welded etc to complete the products. Before packaging , the products are inspected by our quality control department in dimensions, welding quality, seal and pressure-proof etc to guarantee the fine quality.

3 . Usage: They are used on brake system of any brand trucks or tractors .

4 . For reliable quality, competition price and good delivery credit, QDGY brands are exporting to Europe, USA ,Middle East and many other countries in the world now. We’d like to establish a long term business relation with your esteem Co., to expanding the market of our products and you’re welcome to contact us by any way you like at your free time.