Model Number: PN115
Jewelry Main Material: Stainless steel
Material Type: Stainless Steel
Diamond shape: None
Pearl Type: None
Gender: Men’s, Unisex, Women’s
Main Stone: None
Jewelry Type: NECKLACES
Necklaces Type: Pendant Necklaces
Occasion: Anniversary, Engagement, Gift, Party, Wedding
Certificate Type: None
Chain Type: Link Chain
Plating: Titanium Plated, Gold / Rose gold
Shape\pattern: Puzzle
Style: Fashion
Religious Type: None
Inlay technology: None
Product name: Broken heart necklace for couples
Size: 23*23mm /23*19mm
Main Material: Stainless Steel
Weight: 13G
Rust and Allergy: None
Logo: Laser or engraved
Surface: Shiny
Customized: Yes , OEM and OMD is welcome
Packaging Details: a. 1 piece + 1 opp bag b. 100 pieces put into 1 big opp bag c. standard export carton

Packaging & Shipping

Factory packinga: One piece+one opp bag
b: 100 pieces put into 1 big opp bag
c: Standard export carton
Client’s specific packing accepteda: Your own packing way
b: Your own brand label
c: OPP bags,PE bag

shipping Method pls view it below

Our Services

1. We are glad that you could offer us some suggestion and feedbacks for our products, 2571 Stainless Steel Ring Necklace His Always Her Forever Couple Necklace Valentine’s Day Gift prices and services

2. If any question,pls let us know by E-mail, Skype or Tel, we will deal with it immediately

3. We will send new styles to our client’s freely,pls kindly check our website from time to time

4. All jeweley can be made with customer’s logo and tag

Company Information

Expert in Fashion Stainless Steel Jewelry

Founded in 2009, CZPT Jewelry is a professional manufacturer and exporter of fashion stainless steel and crystal jewelry. We have our own professional design staff, including over 50 well-trained personnel. Our products are exported to clients in South and North America, Europe, the Middle East and Asia.

Over 5,000 Styles Available to Choose From

We have many years of production experience, S6K S4K Engine Cooling Pump Belt Pulley Water Pump Pulley Double Groove Standard with all kinds of production technology. Our main products include necklaces, pendants, bracelets, rings, earrings and bangles. Aside from offering over 5,000 styles, we can also produce new items according to customers’ sketches and specifications. OEM and ODM services are provided as well.

How to Order from us?

Why choose us and What are our advantages?

1. Low Minimum Order quantity

2. More than 5000 styles in our company.

3. Original manufacturer, factory price, about 5 years wholesale experience in jewelry industry

4. Safety payment terms: T/T, Western Union, Pay pal are available.

5. Standard management for quality control, Speed Reducer Prices Low Pressure Reducing Valve Reducer Gear Box Motor good reputation in jewelry industry.

6. Professional designers and original designs every month.

7. Lowest shipping cost: We will find the cheapest shipping cost for you

8. We accept ODM&OEM service. Your designs are warmly welcome.

9. A lot of experience on export and know export procedure very well. Smooth export and import procedure for you and help you save import tax.


What Is a Coupling?

A coupling is a mechanical device that links two shafts together and transmits power. Its purpose is to join rotating equipment while permitting a small amount of misalignment or end movement. Couplings come in a variety of different types and are used in a variety of applications. They can be used in hydraulics, pneumatics, and many other industries.


Coupling is a term used to describe a relationship between different modules. When a module depends on another, it can have different types of coupling. Common coupling occurs when modules share certain overall constraints. When this type of coupling occurs, any changes to the common constraint will also affect the other modules. Common coupling has its advantages and disadvantages. It is difficult to maintain and provides less control over the modules than other types of coupling.
There are many types of coupling, including meshing tooth couplings, pin and bush couplings, and spline couplings. It is important to choose the right coupling type for your specific application to get maximum uptime and long-term reliability. Listed below are the differences between these coupling types.
Rigid couplings have no flexibility, and require good alignment of the shafts and support bearings. They are often used in applications where high torque is required, such as in push-pull machines. These couplings are also useful in applications where the shafts are firmly attached to one another.
Another type of coupling is the split muff coupling. This type is made of cast iron and has two threaded holes. The coupling halves are attached with bolts or studs.


The coupling function is an incredibly versatile mathematical tool that can be used in many different scientific domains. These applications range from physics and mathematics to biology, chemistry, cardio-respiratory physiology, climate science, and electrical engineering. The coupling function can also help to predict the transition from one state to another, as well as describing the functional contributions of subsystems in the system. In some cases, it can even be used to reveal the mechanisms that underlie the functionality of interactions.
The coupling selection process begins with considering the intended use of the coupling. The application parameters must be determined, as well as the operating conditions. For example, if the coupling is required to be used for power transmission, the design engineer should consider how easily the coupling can be installed and serviced. This step is vital because improper installation can result in a more severe misalignment than is specified. Additionally, the coupling must be inspected regularly to ensure that the design parameters remain consistent and that no detrimental factors develop.
Choosing the right coupling for your application is an important process, but it need not be difficult. To find the right coupling, you must consider the type of machine and environment, as well as the torque, rpm, and inertia of the system. By answering these questions, you will be able to select the best coupling for your specific application.


A coupling is a device that connects two rotating shafts to transfer torque and rotary motion. To achieve optimal performance, a coupling must be designed for the application requirements it serves. These requirements include service, environmental, and use parameters. Otherwise, it can prematurely fail, causing inconvenience and financial loss.
In order to prevent premature failure, couplings should be properly installed and maintained. A good practice is to refer to the specifications provided by the manufacturer. Moreover, it is important to perform periodic tests to evaluate the effectiveness of the coupling. The testing of couplings should be performed by qualified personnel.
China Good quality Blank 2pcs puzzle piece friendship necklace Stainless steel Silver  Gold  Rose gold puzzle pendant necklaces for couple     a  coupling reactionChina Good quality Blank 2pcs puzzle piece friendship necklace Stainless steel Silver  Gold  Rose gold puzzle pendant necklaces for couple     a  coupling reaction
editor by CX 2023-07-11