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HK Office Address: Rm.1301, Block B, Hoi Luen Industry Centre, 55 Hoi Yuen Road, Kowloon, Hong Kong Tel: (852) 2388-9891 Fax: (852) 2782-3422 Email: info@hungkay.com.hk Website: http://www.hungkay.com.hk
HUNG KAY Jewelry
Manufactory Limited
Copyright © 2012 Hung Kay Jewelry Manufactory Limited.
Who we are?
• Set up in 1988
• Manufacturer & exporter of fashion jewelry in 925 Sterling Silver, Brass, Stainless Steel & Alloy
• Factory in Guangdong
• OEM/ODM services provided
• Over thousands of own creative designs •
• Over hundreds new designs launch each month
Copyright © 2012 Hung Kay Jewelry Manufactory Limited.
Our Office
Copyright © 2012 Hung Kay Jewelry Manufactory Limited.
Our Factory
• A 500-staff factory in Guangdong
• Production capacity up to 150,000 pieces each month
Copyright © 2012 Hung Kay Jewelry Manufactory Limited.
Our Factory
Copyright © 2012 Hung Kay Jewelry Manufactory Limited.
Our Professional Sales, Development & Production Team
• Professional computer-
aid mould making team
• Can produce OEM/ODM
samples in two weeks
Copyright © 2012 Hung Kay Jewelry Manufactory Limited.
Our Client
ASIA: China, Russia, India, Malaysia, Thailand… NOUTH AMERICA:
United States, Canada…
SOUTH AMERICA: Chile
OCEANIA: Australia, New Zealand
Big Buyers: Armani Exchange, Mary Kay and Oriflame
EUROPE: United Kingdom, Spain, Italy, France, Ireland, Germany…
AFRICA: South Africa, Benin…
Customers: • Wholesalers • Retailers • Exporters • Online Stores • Mail-Order Houses
Copyright © 2012 Hung Kay Jewelry Manufactory Limited.
Our Product
• Set with Cubic Zircornia / synthetic
stones together with fresh water
pearls
• Provide different kinds of electro-
plating standard, such as rhodium
plating
• Also have alloy and stainless steel
products
925 silver & brass jewelry
• Ring • Earring • Bracelet • Bangle • Necklace • Pendant • Charms • Brooch • Key Ring • Cufflink • Phone Strap • Chain / Clasp / Findings / Loose
Pearls
Copyright © 2012 Hung Kay Jewelry Manufactory Limited.
MATERIAL Name Description
Sterling Silver • An alloy of silver containing 92.5% by mass of silver and 7.5% by mass of other metals, usually copper
• Standard: 925 • Last longer than brass • Casting method – wax lost casting
Brass • An alloy of copper • Cheaper than silver • Casting method – wax lost casting
Stainless Steel • Last longer • Not easily corroding or wearing out
Tin Alloy • An alloy of Tin suitable to make fashion jewelry • Cheaper than silver and brass • Containing more lead • Casting method – centrifugal casting
Copyright © 2012 Hung Kay Jewelry Manufactory Limited.
Zinc Alloy •An alloy of Zinc suitable to make fashion jewelry / accessories •Most cheapest method but in very bulk quantity •Casting method – die casting by steel mould
PLATING Name Pictures Plating layer / Thickness
Rhodium Plating
• Copper : 5 microns Cu • White bronze : 1 micron Cu/Tin • Silver : 2 microns minimum Ag • Rhodium : 0.03 micron Rh
Gold Plating • Copper : 5 microns Cu • White bronze : 1 micron Cu/Tin • Silver : 2 microns minimum Ag • 14k to 18k Gold : 0.1 micron to 5 micron Au (thickness depends on
clients requirement)
Rose Gold Plating
• Copper : 5 microns Cu • White bronze : 1 micron Cu/Tin • Silver : 2 microns minimum Ag • 14k to 18k Rosd Gold : 0.1 micron to 5 micron Au (thickness
depends on clients requirement)
Gunmetal Plating
• Copper : 5 microns Cu • White bronze : 1 micron Cu/Tin • Silver : 2 microns minimum Ag • Cobalt or ruthenium: 0.5 micron
Silver Plating
• Copper : 5 microns Cu • White bronze : 1 micron Cu/Tin • Silver : 2 microns minimum Ag • Eletroplating: resin covering
Imitation Rhodium Plating
• Copper : 5 microns Cu • White bronze : 2 micron Cu/Tin • Silver : 2 microns minimum Ag • Palladium: 0.1micron
Wax Lost Casting Process of “Wax Lost Casting”
1. first, injecting wax into rubber mould
2. then, open the rubber mould to pull out the wax piece
Copyright © 2012 Hung Kay Jewelry Manufactory Limited.
3. then, build up the wax in a “tree” format
4. then, put the “wax tree” into a flask, fill in the flask with “casting powder”, put the flask into oven to let the wax melting
Wax Lost Casting
Copyright © 2012 Hung Kay Jewelry Manufactory Limited.
Wax Lost Casting 5. now, the flask has a empty space of the jewelry form, we casting silver or
brass (injection) into to flask
6. then, open the flask and washing out the “casting powder”, we will get the “tree” of jewelry in silver / brass.
Copyright © 2012 Hung Kay Jewelry Manufactory Limited.
Wax Lost Casting
7. finally, we can cut off the jewelry piece from “tree” to polishing, stone setting, etc.
Copyright © 2012 Hung Kay Jewelry Manufactory Limited.
SETTING Name Photo Definition
Pave Setting • Gems are separated and held in place by little beads of the setting metal
• Looks like a continuous surface of gems
Prong Setting • Gem is inserted into three or more metal prongs
• Gem sticks up way above the finger
Channel Setting • The gemstones flow in a continuous row, because no metal is used to separate them
Micro Setting • Simply pave setting, but on a much smaller scale
• Gems very close to each other
Copyright © 2012 Hung Kay Jewelry Manufactory Limited.
CHAINS Name Picture Name Picture
Ball Chain Lantern Chain
Box Chain O-ring Chain
Cable Chain Rolo Chain
Curb Chain
Snake Chain
Copyright © 2012 Hung Kay Jewelry Manufactory Limited.
CHAIN Name Picture Name Picture
Chamois Rope Ribbon Rope
Cotton Rope Rubber Rope
Leather Rope Wax Rope
Copyright © 2012 Hung Kay Jewelry Manufactory Limited.
STONES – CUBIC ZIRCONIA
Cubic Zirconia Diamond Discription
Dispersion 0.060 0.044 CZ more brighter than diamond
Hardness 8.5 10 Similar
Refractive index 2.176 2.417 Similar
Color Diamonds: tinge of yellow or brown to some extent CZ: equivalent to a perfect "D" on diamond's color grading scale, also have other colors, such as pink, green, etc.
Cubic Zirconia versus Diamond
Copyright © 2012 Hung Kay Jewelry Manufactory Limited.
OTHER STONES Name Picture Name Picture
Swarovski Glass
Marcasite
Synthetic Stone
Crackled Stone Cat's-eye
Czech stone Natural semi-precious stone (e.g. Amethyst, Turquoise, Onyx, White Agate, Tiger Eye…)
Copyright © 2012 Hung Kay Jewelry Manufactory Limited.
PEARLS Name Picture Differences
Fresh water Pearl
• Grow in non-saline environment in freshwater mussels - Genuine pearl gem
• More expensive • More defects - hard to find in perfect shape
and size
Shell Pearl • Made from the shell of an oyster - Imitation • More different color • Cheaper • No defect • Durability • Can control the color and shape
Copyright © 2012 Hung Kay Jewelry Manufactory Limited.
Name Picture Name Picture
Glass Pearl Plastic Pearl
OTHER HIGHLIGHT Name Photo
Epoxy
Hot stamping
OXI
Copyright © 2012 Hung Kay Jewelry Manufactory Limited.
Testing Standard
1. Lead content in surface coatings, metal, plastic & others
2. Cadmium content in surface coatings, metal, plastic & others
3. Nickel content 4. Phthalate content 5. Mechanical hazards testing 6. Flammability testing 7. Packaging & labeling evaluations 8. Model Toxics in Packaging
Copyright © 2012 Hung Kay Jewelry Manufactory Limited.
Our Professional • Long history - 24 years experience of manufacturing
• Reputable
• Have an own factory
• A professional sales and development team together with skillful
production team: Sales & Marketing, R&D, Craftsman and QC • • OEM/ODM services provided
• High quality products
• Production capacity up to 150,000 pieces each month
Copyright © 2012 Hung Kay Jewelry Manufactory Limited.
Contact Us
HK Office Address:
Rm.1301, Block B, Hoi Luen
Industry Centre, 55 Hoi Yuen Road,
Kowloon, Hong Kong
Tel: (852) 2388-9891
Fax: (852) 2782-3422
Email: info@hungkay.com.hk
Website: http://www.hungkay.com.hk
Contact our professional sales team today to learn more!
Copyright © 2012 Hung Kay Jewelry Manufactory Limited.
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