Dongguan Hezhi Hardware Co., Ltd. is located in Dongkeng Town, Dongguan City, Guangdong Province, China. It is a hardware factory specializing in R&D design, manufacture and sales of precision components.

Our company use CNC computer spring machine to produce a variety of compression spring, extenion spring, torsion spring, battery spring, touch button spring, wire forming spring, constant force spring, die spring, stamping parts and a variety of high precision hardware products, widely use in hardware, lamps, electrical, appliance, bicycles, motorcycles, cars, mobile phones, digital products and ao on. And expreely, our price is very competitive because we are manufactory. We are the source. You can welcome to visit our website dghezhi.en.alibaba.com, which includes our company profiles, history and something latest designs.

The company introduces advanced equipment and production technology from Taiwan and abroad, adopts CNC high-precision computer machine, compression spring machine and other mechanical equipment, and employs senior engineers with more than ten years of work experience to debug mechanical equipment and customize production.
With the business philosophy of honesty, pragmatism and excellence, Hezhi Company is dedicated to serving customers at home and abroad. We hope that the products of Hezhi will help your business to be more brilliant, let us build a bright future in the high-tech era!
Slogan:" The testimony is pragmatic and the attitude of the people. Quality service is the pursuit of the people!"

Puracasing all kinds of material according to the needs

* Inquiry and consulting support.
* Sample testing support.
* View our Factory.

* Training how to instal the machine, training how to use the machine.
* Engineers available to service machinery overseas.

1. What are battery springs for?
A battery contact spring typically must perform two roles - to help provide pressure to hold batteries in place as well as to conduct electrical current from the batteries to the desired circuit.

2. Which side of the battery goes on the spring side?
How to install batteries correctly. TIP: The negative (-) side of a the battery goes on the spring side of the device and the positive (+) side of the battery goes on the flat side of the device

3. What is the thing that holds a battery called?
battery holder
A battery holder is one or more compartments or chambers for holding a battery. For dry cells, the holder must also make electrical contact with the battery terminals. For wet cells, cables are often connected to the battery terminals, as is found in automobiles or emergency lighting equipment.

4. Is it safe to put aluminum foil on a battery?
Revive a Dead Battery Terminal

Repairing a broken battery terminal with aluminum foil is simple and can keep a dead piece of electronics from the trash.

5. How do you use Aluminium foil for batteries?
Battery Buddy

Use a small piece of foil as a quick remedy to this annoying problem. Fold the foil until you have a small pad that is thick enough to wedge between the batteries and the spring. This will eliminate the extra space and help keep everything in place.