N D SIGNS & SONS

All kind of Reductors and Gearboxes which are produced in high modern Plants are used in several Sectors in all over the world. Every kind of special Reductors and Gearboxes can be manufactured like requests in our high technical plants…

Oil Pumping Unit Gearbox Oil Pumping Gearbox Precision machined gears Gearboxes, industries served: oil exploration, automotive, agricultural, recreational vehicles, power generation, ship building Surface preparation: nitride; carbonitride Material: AISI 1035, 1040, 4140, 4320, 4340, 8620H or other customized materials. Specfication see above photos.

We focus on quality and consistency. Batch production are always consistent with sample. Our Quality assurance: 1. Non-destructive test (NDT): magnetic particle examination (MPE), ultrasonic examination (UE), liquid penetration examination (LPE), X ray. 2. Experienced inspector on dimensions, CMM dimension testing and other tools. 3. To maintain our reputation, we still have excellent return and claim policy even some rare defects. 4. Our prices are always competitive. 5. Spectrometers to assure the material.

We focus on quality and consistency. Batch production are always consistent with sample. Our Quality assurance: 1. Non-destructive test (NDT): magnetic particle examination (MPE), ultrasonic examination (UE), liquid penetration examination (LPE), X ray. 2. Experienced inspector on dimensions, CMM dimension testing and other tools. 3. To maintain our reputation, we still have excellent return and claim policy even some rare defects. 4. Our prices are always competitive. 5. Spectrometers to assure the material.