HUNG KAY Jewelry Manufactory Limited Name Pictures Plating layer / Thickness Rhodium Plating • Copper : 5 microns Cu • White bronze : 1 micron Cu/Tin • Silver : 2 microns minimum

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: [email protected] 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


Our Office


Our Factory

• A 500-staff factory in Guangdong

• Production capacity up to 150,000 pieces each month


Our Factory


Our Professional Sales, Development & Production Team

• Professional computer-

aid mould making team

• Can produce OEM/ODM

samples in two weeks


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


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


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


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


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


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.


Wax Lost Casting

7. finally, we can cut off the jewelry piece from “tree” to polishing, stone setting, etc.


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


CHAINS Name Picture Name Picture

Ball Chain Lantern Chain

Box Chain O-ring Chain

Cable Chain Rolo Chain

Curb Chain

Snake Chain


CHAIN Name Picture Name Picture

Chamois Rope Ribbon Rope

Cotton Rope Rubber Rope

Leather Rope Wax Rope


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


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…)


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


Name Picture Name Picture

Glass Pearl Plastic Pearl

OTHER HIGHLIGHT Name Photo

Epoxy

Hot stamping

OXI


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


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


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: [email protected]

Website: http://www.hungkay.com.hk

Contact our professional sales team today to learn more!


Documents

HUNG KAY Jewelry Manufactory Limited Name Pictures Plating layer / Thickness Rhodium Plating • Copper : 5 microns Cu • White bronze : 1 micron Cu/Tin • Silver : 2 microns minimum