OE-Grade Replacement Car Door Hinge Origin China Trademark AYHY Alloy Non-alloy Surface Galvanized Application Car Door Hinge

OE-grade replacement car door hinge

We are more than 40 years manufacturer with 5 hot rolling production line.our profile steel,section steel products including Construction steel,Car door hinge,Container parts,Wheel rims,Forklift profile,railway material,cold drawn profile,Cold rolled profile and so on.

Also we could cutomize according to your requirement.

Hot rolling steel door hinges is the production process preferred by many of the world's leading automotive and truck manufacturers. Rarlong Machinery hot rolled special steel shapes have been installed by BMW, Volkswagen and other automobile manufactures.

Our company production of car door hinge steel, is directly after the billet heating, through the mold rolling to make it formed, in recent years, in order to achieve customer expectations and quality improvement, after many times of research and demonstration, we have made three improvement measures for car door hinge steel.

1.After the billet is heated;A high pressure water dephosphorization process is added to remove the oxide scale produced by heating the billet to avoid cracking in the rolling process.

2.After the rolling molding is corrected, the milling machine is added to repair and grind the excess flicking, which not only solves the straightness of the steel, but also the accuracy of the dimension.

3.The hinge section steel packaging storage before the adoption of the shot blasting cleaning machine to increase the surface treatment process, used for hot rolling section steel after the scale and rust cleaning.

Customization ability: 

Rarlong now has one provincial technical center with various testing and inspection equipments,more than 100 technical personnel and equipped with automated 5 precision hot rolling mills, hongyuan is specializing in steel rolling over 40 years,products are currently widely adopted in domestic China market and exporting to Europe, USA, middle east,Southeast Asia etc.

1. All shaped flat steel in the range of 12-300mm wide and 3-60mm thick can be developed and customized.

2. Professional customization industry supporting non-standard shaped steel, small steel with complex section.

3.With 40 years of experience in the design and production of section steel, the company owns unmanned electrification control production equipment, provides different production cost schemes, and meets the needs of customers for use and cost.

4. The product has good material and comprehensive performance, adopts high-pressure water descaling technology, and the appearance quality of the product is better than the industry standard;

Rarlong Steel is located in Anyang City, Henan Province, China, is a member of Hongyuan section steel group.Our group company was founded in 1996, is a producer of profile steel and steel products. Rarlong is specialized in manufacturingvarious types of hot rolled profile steel, cold drawn steel, some of the profiles are further processed to wheel rims.OE-grade replacement car door hinge

Profile steel experienced development team works hand in hand with out dynamic sales department and technical testing teams to ensure an outstanding profile steel development and delivery on time. Every year, more than 100 special customized profile steels are developed to suit our clients' needs. Now we have 5 rolling mills which can produce section steel width from 6mm to 250mm and annual profile steel output is 200,000 tons.

With more than 20 years of development, our group has four sub-factories, two factories in Anyang for producing profile steel; two factories in Jiaxing and Jiaozuo for producing off-road steel wheel. Now we have one provincial technical center with various testing equipments that can do physical and chemical checking. We are also ISO9001/TS16949, ISO14001 and ISO18000 certified company.

Rarlong missions to be the industry leader of profile steel and its solution provider in China and hopes to build long term partner relationship with clients all over the world.