Infengde is a professional heavy duty truck exhaust manufacturer in China. We produce 4″ & 5″ mandrel bending products as a small workshop since 10 years ago.

Infengde have been very professional in pipe bending services for some local manufacturers and trading companies. We have been doing this for more than 5 years. In the year 2020, we took plunge into the manufacturing business of pickup truck exhaust pipes for some trading companies. Because we have good pipe bending technologies, it becomes very easy for us to develop new related production line. Especially for diesel exhaust systems.

We do good mandrel bending on 4″ & 5″ stainless pipes and aluminized steel pipe. The wall thickness is 0.059″. See below specs:

4″ diameter, 0.059″ wall thickness, bend radius 1.2D

4″ diameter, 0.059″ wall thickness, bend radius 1.5D

5″ diameter, 0.059″ wall thickness, bend radius 1.2D

5″ diameter, 0.059″ wall thickness, bend radius 1.5D

We also use 5 inch exhaust elbow to produce various of truck exhaust pipes.

By the support of a professional exhaust pipe manufacturer in China, you will supply your cunsumers with high quality exhaust products. Which will be with a powerful sound, along with added horsepower and torque throughout the complete power range. Infengde metal works is an experienced truck exhaust manufacturer that specializes in mandrel bending and weding services. Our employees share a passion for diesel pickup truck exhaust pipes. And we love giving free advice to our potential brand customers. At Infengde metal works, we have been installing diesel exhaust systems for many years. Contact us and you will be satisfied about our services.

5 inch truck exhaust manufacturer in China

Infengde accept custom design metal parts and also can assist customers on making engineering drawings. We can make samples for approval before mass production of mandrel bending products.
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