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System

We are involved in the entire process, from buying steel material to forging, cutting, treating, and polishing.

01, Steel material

We keep 1 month’s worth of stock of various types of structural carbon steel, including S45C, SCM415, Scr, SNCM220H, and other established materials.

Steel material:Connecting rod

02, Forging

We make our forgings using forging presses, air stamp hammers, and knuckle joint presses.

Forging:Connecting rod

Forging:crankshaft

03, Heat treatments

We have the facilities and equipment to make products that require annealing, normalizing, quenching and tempering, and induction hardening.

04, Shot blasting

By using our shot peening machine or one of our shot blasting machines, we can remove the scales on the surface left by heat treatment.

05, Coining

A coining operation is performed in order to correct dimensional variation and distortion, which makes later machining processes much easier to perform.

Coining:Connecting rod

06, Cutting

We have over 350 specialty machines, including transfer machines, NC Lathes, machining centers, gear hobbing machines, milling machines, and rolling machines, to give our product that perfect finish before heat treatment.

Cutting:Connecting rod

Cutting:crankshaft

07, Heat treatment (Carburizing)

We guarantee the quality of our products because of the high technology we use. We have 5 Lindberg Pacemaker R gas carburizing furnaces and companion equipment for washing, tempering, hardness, and composition examination.

Heat treatment:Connecting rod

Heat treatment:crankshaft

08, Polishing

We can mix and match 360 pieces of equipment, like cylindrical grinding machines (NC, angular, pin), internal grinding machines, double headed grinding machines, surface grinders, honing machines, and super finishing machines, with conveyor lines to produce high quality products for our clients.

Polishing:Connecting rod

Polishing:crankshaft

09, Inspection

For each and every part we manufacture, main process measurements are documented for absolute traceability, and of course precision testing is performed in accordance to our operational standard.

10, Assembly

The sub-assembling process allows us to ensure the precision of our crankshafts and connecting rods.

Assembly:Connecting rod

11, Inspection

We have designed the process to make sure we have quality products by using a variety of measurement machines, including 3-D measurement machines, surface roughness measurement machines, roundness measurement machine, shape measurement machines, and all purpose microscopes and hardness testers.

12, Shipping

After one last visual inspection, we send the products to the customer in clean and environmentally friendly packing materials


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