free sample /ball pen compression spring

Specifications
1.high quality
petitive price
3.from OEM manufacturer
4.different kinds of compression spring
5.free sample

pictures Show

       Mass reliable compression spring

Huidong Linglong spring co., LTD  is a company specializing in the production of spring manufacturers, I plant with advancedequipment and excellent staff, we continue to try, follow the pace of technological innovation.

         We have a series of inspection equipment, raw materials, we like analysis of material composition, because we want to be responsible for the customer, we have the spectrum instrument, we pay attention to the composition of the material. Every time are measured over 6 times before the report. For the hardness of the material, we have a hardness tester,This is one of the reasons affect the quality of springs. Our factory will be used in the production of fine spring electron microscope, because our eyes can not see the shape of a spring, the spring is more productive as art, the pursuit of perfection. In the performance of the above spring, we haveTension compression force measuring machine, fatigue testing machine, 1000000 times the rate is not a problem, after surface treatment, if the customer wants us to do the salt spray test, salt spray test machine, we have. We are very strict quality requirements, but the price is very low, not letter, send a drawings for quotation.

This is our warehouse, usually there are 10 tons of ready-made material.