Jewelry Quality control in China: How to avoid poor quality jewel?
China is one of the major producer of jewelry in the world with an average production of gold of 320,000 kg and with one of the highest number of jewelry products every year. China is, without a doubt, an economic powerhouse on jewelry market, especially in woman’s jewelry.
Women’s jewelry is one of the most purchased items in the global market. In fact, jewelries for women sales represent about of 4.5 billion dollars annually, and a large part belongs to a luxury world. Interesting market, isn’t it ? But they are many features to care about.
Cost of jewel mainly depends of used raw materials, like precious stones, metals or tools. As a large part of jewelry market belongs to luxury world, customers are very sensitive to jewelry quality. Indeed, how would you react if you receive your engagement ring with defects? Moreover, as branding is essential on jewelry market, brands can’t afford to damage their image by supplying defective products. In this article, I will present you see the different method used in jewelry quality control in China, the different risks you could meet and how to secure your jewelry production in china.
Jewelry Quality Control in China: What are the inspection methods in the jewelry?
As small sized and detailed workmanship products, Jewelry items are special and require specific inspection methods. Contrary to what one might think, jewelry items and precious stones are generally inspected with naked eye under balanced daylight or with the aid of precision lighting and inspected from inner and outer sides during visual inspection. As you can imagine, this inspections requires a strong experience and knowledge in jewelry manufacturing.
To ensure your production quality there are several strategic step to follow. First, to prevent defects in your end products, I recommend you to perform jewelry incoming material inspection in China , to make sure your raw materials fit your quality requirement. Second, In order to keep an eye on your jewel production, you should also perform a Jewelry During Production Inspection in China. During this inspection, jewelry inspectors take care of the jewelry quality control, following a strict process, to check the different risk during the production of your jewelries, and assure qualitative product to your end customer.
Jewelry Quality control in China: What are the main risks during Jewelry production?
Casting is an essential point to verify during jewel quality inspection and is on top of Quality Control checklist. There should be no noticeable defects or discoloration visible on metal components of the jewelry pieces. Common risks related to casting are:
- A stress crack in ring casting.
- Fire scale/burn marks
- Porous areas, recesses, dimples or impressions
- Parting lines
- Filled air bubbles
- Stains, haze or dull film
- Distortion of shape
- Stress cracks
Furthermore, all lines and edges should be smooth and run along the same plane without any wavy or serrated irregularity. Quality casting for jewelry items shouldn’t have rough edges.
All soldered parts must be securely joined and aligned to ensure durability. To obtain an harmonious result, soldering materials color should match the main used metal metal. Soldering should be indistinguishable from the surrounding metal and areas around the soldered points should be even and smooth. You should keep your eyes on the following quality defects during jewelry quality control in China:
- Excess soldering material on the joint
- Pits or holes in the joint
- Cracks in soldering
- Distortion of the shank
- Uneven fitting of parts and swing joints
- Scratches , cracks and chips on inserts
A piece with an insecure joint on the left in contract with a piece on the right that has been properly at the joint. There are other joining technic for jewelry you can use, which each has advantage and disadvantage. For each you will also have to pay attention to the way the junction are made.
- Glue Assembly
All glued parts should be securely joined and aligned. A securely glued joint is ensured by using the right type and amount of glue for the right kind of material. All glue should be completely dry before the jewelry item is packed and shipped. There shouldn’t be any visible or excess glue on either the front or backside of the item. Lastly, when natural, opaque gemstones and cultured pearls are set in precious metals, glue should always be used in conjunction with another setting method such as with pegs or prongs. It is recommended NOT to use epoxy resin or similar binding agents for setting natural transparent gemstones such as topaz or amethyst due to easy visibility. To avoid issues, I advise you to perform a pre shipment inspection in China.
Jewelry Quality Control in China: A Tip from Expert
The 100% Full Quality Inspection in China is the safest inspection existing as it covers your whole production batch. As Jewelry items often have high value, and product quality has a direct impact on your brand image jewelry full inspection in China is a reliable solution to assure defective rate as low as your quality standard is high.
I hope this article will help you to understand the Jewelry Quality Control in China. If you have any question feel free to post your question in comment.