OUR JEWELRY FACTORY

Profit Sky Jewelry (P.S.J.) is a full-service sterling silver jewelry supplier. Our experienced teams oversee every step of the in-house manufacturing process from casting, stamping, and polishing to stone setting, laser cutting and electroplating.

P.S.J. is China’s leading silver jewelry manufacturer, we produce made to order wholesale and private-label jewelry and also offer design, prototyping, and packing services.
Our world-class manufacturing facility meets the highest safety standards and allows us to produce over 1.0 million pieces of high-quality jewelry each month. As P.S.J. continues to grow, we’re expanding our production capacity by investing in equipment and manufacturing processes.

We value each and every one of our customers who rely on us to provide only the highest quality jewelry, always delivered on time.
With an understanding that the entire supply chain benefits through cooperation, we do our best to support those who choose to work with us by sharing our knowledge and values wherever possible. The P.S.J. team is always our top priority. We strive to create a safe and comfortable working environment for all our staff. We believe that a healthy environment helps our staff fulfill their potential and produce the best products for our clients.

1. Designing and prototyping

1. Designing and prototyping

We begin with our in-house P.S.J design team who are responsible for coming up with creative designs that reflect modern demand and timeless aesthetics.

After drafting, these designs are handed over to our prototyping team who use both modern technology and traditional techniques to develop prototype reproductions and molds.

 2. Material Testing

2. Material Testing

Raw Materials are purchased only from trusted and approved suppliers. All components are tested in-house with a state-of-the-art XRF machine based on the AQL sampling method. These measures allow us to ensure only safe and compliant materials can be used to produce our jewelry.
3. Lost wax casting

3. Lost wax casting

From our design and prototyping, we develop a final mold and use a process called “lost wax casting” to produce products.

This process sees 925 sterling silver poured into plaster molds. Within these molds lies a tree-like inversion of the jewelry piece. When the metal cools, this “tree” is pared down and prepared for further treatment.

4. Stamping

4. Stamping

As well as lost wax casting, P.S.J. also uses stamping as a production technique. Stamping is a more affordable method that’s ideally suited for producing lightweight, intricate designs en masse.
5. Filing

5. Filing

After jewelry pieces come out of their molds, they require filing to produce a smooth and even surface. Using electronic filing machines, we delicately remove any unwanted surface marks & abrasions.
6. Metal finishing

6. Metal finishing

With the filing done, it’s now time to finish the jewelry piece so the metal demonstrates a perfect, unblemished surface. P.S.J. has on hand a variety of tumblers. Placing pieces into these tumbling machines effectively polishes them, making them bright and shiny.
7. Gem setting

7. Gem setting

While there are automated ways of setting stones, P.S.J. chooses to do this by hand to achieve a perfect finish. Our expert stone setters are capable of setting both large and extremely small gems with precision.

At this point, jewelry pieces are beginning to take shape and resemble the final product that the original designers envisioned.

 8. Hand polish

8. Hand polish

To bring pieces to an extremely high polish, team members then use high-speed polishing buffers on each piece. Not only does this allow pieces to gleam, showcasing the beautiful metalwork, but it gives us an early chance to check the pieces for any faults.
9. Plating & electro-coating

9. Plating & electro-coating

Now the pieces are all but finished, we use electrochemical plating to increase durability and enhance its appearance. This process uses an electric current to briefly turn the jewelry piece into an electrode causing a thin metal coating to form.

10. Embellishing

10. Embellishing

P.S.J. also provides e-coating services to further increase durability and prevent tarnishing. This is a similar process that involves running a current through the piece to apply an organic lacquer. This acts as an extra layer of protection.

11. Quality control

11. Quality control

At P.S.J., we are driven by our passion for jewelry and aim to produce only perfect pieces. We therefore subject each piece of jewelry we make to an extensive, multi-round quality control process.

We look for imperfections, faults, and ensure the piece meets our customer’s exacting standards. Only pieces that meet specifications are approved.

12. Secure packaging

12. Secure packaging

After the product is complete, we carefully package pieces according to customer requirements. We ship products safely to ensure that they arrive in perfect condition and are ready for sale or use.

13. Prompt delivery

13. Prompt delivery

Expertly produced and safely packed, we then ship our jewelry to our clients using major couriers such as FedEx, DHL, UPS, or any forwarder nominated by our clients.

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Types of inquiry
Please let us know what you ask for.
Request for Quotation
Ask for Catalogs
Ask for Factory Report
Schedule a Meeting/Video Call
Others
Name*
Email*
Contact Number
Wanna make a phone call or Whatsapp in day time? Please leave your number
Country / Region*
We will email or call within day time in your region.
Request details for Quotation*
Please leave your request here, e.g. Jewelry Type, Base Material, Plating thickness micron request, order quantity etc.
Reference Photo
Photo of the jewelry you want to quote
Other files for reference
e.g. Design PDF, CAD files etc.