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Legor now offers about 300 master alloys.

Legor Group SpA originated in a small local craftsman’s workshop before developing into a pioneer in superior master alloy production as used in gold and jewellery production..

In the master alloy division, Legor completes the precious metal, often 18 karat gold, and supplies the rest to come up with 1,000, keeping a close eye on mechanical characteristics and vivid colours, as the colours derive from the supplied master alloys.

The fusion of metals and alloys was at the beginning of Legor’s corporate activities back in 1979. “My father and his partner worked for the goldsmith sector, which dominated the region,” says CEO Massimo Poliero.

However, the two entrepreneurs concentrated not only on the artisan production of master alloys for the gold and jewellery industry but also developed ideas on sales and provided market analysis. At that time, this was a completely new approach, which turned into a long-standing success.






Legor Group 
- Master Alloy Division


Gold is the best known among the precious metals used for jewerly production. Its unique characteristics of color, ductility and rarity make it the most desirable of metals, and the one where most committment by Legor Group Research and Development is concentrated. 

Gold jewelry production poses today a large amount of challenges, starting from compliance with international standards, to jewels weight reduction, to the need for improved workability or better scraps re-usability, to high tarnish resistance in lower titles, to name but a few.




Master alloy White Gold
(9 - 14KT)

White Gold

LEGOR MASTER ALLOY FOR CASTING OF 375-585‰ (9-14 KT) WHITE GOLD

WB143C is a master alloy for 375-585‰ (9-14 Kt) white gold jewelry, designed for lost-wax casting in closed systems.

WB143C offers excellent fluidity in casting; the as-cast tree is clean from oxide scales; it has excellent shininess and lustrous color after finishing.








Master alloy Pink Gold
(9 - 14 KT)

Pink Gold

Legor's YD148NT is a master alloy for 375-585-750‰ (9-14-18 Kt) pink gold jewelry, designed as an all-purpose formulation.

YD148NT is suitable for lost-wax casting in closed systems. The alloy can also be used for continuous casting and for ingot casting of semi-finished items such as sheet, wire and tube.

The main mechanical deformation processes in which YD148NT can be used are stamping, blanking, wire making, CNC and lathe production.

Although conceived for title 750‰, the alloy is suitable also in lower titles..


925 Silver Alloy

MASTER ALLOY FOR CASTING OF 925‰ SILVER

SF928CH is a master alloy for 925‰ silver jewelry, designed for lost-wax casting in closed and open systems. This formulation can be alloyed from title 925‰ to title 935‰. It is particularly suitable for stone-in-place casting.


SF928CH offers excellent fluidity in casting; the as-cast tree is clean from oxide scales; it has extremely high shininess and lustrous color after finishing.






Our vision is to provide our customers  the most innovative machinery  with manufacturing techniques and processes with cutting edge technologies proven from around the world with our local knowledge for the Great China Market and Southeast Asia. 

Hong Kong, China-based Kingsway Jewelry Supplies Co Ltd serves as a distributor of alloys and equipment for a number of major brands in Asia. Gilbert Kwok, managing director of the company, shares with JNA the qualities that make Kingsway an ideal partner for jewellery-manufacturing equipment and materials in the region.


We have been a major supplier of casting and melting machines in Asia for more than three decades.


We keep a close eye on the latest industry developments, from electronics to modern engineering technology. By doing so, we are able to identify the technologies, which we believe would better serve the needs of the jewellery industry.

VISION STATEMENT 


Kingsway mission statement is to accelerate the technology advancement, efficiency and scalability of the jewelry industry in Asia by offering best softare/hardare and international experience. 


We excel not only in China but also have experience throughout Asia. 

MISSION STATEMENT


Kingsway is only a engineering company wants to link its decades of trade experience, knowledge network and local Asian knowledge to serve our customers with better, more efficient and new processes of tomorrow. 


We never counterfeit or copy our supplier products or customer designs to make quick money. 


In the jewelry world, Kingsway is the firm that you can trust. 

Based in Hong Kong, China, Kingsway has been serving all our customers with integrity and decades of  trade specific experience.

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