Leading Fine Jewelry Manufacturer

More than 35 years of experience

Our Services

Design

We have dedicated ourselves to continuous research and innovation in the fields of wedding jewelry and trendy fine jewelry.
Our designs are inspired by vibrant trends and carefully crafted to meet the diverse needs of our customers, ensuring elegance, quality, and a touch of individuality in every piece.

设计
3D

3D Design

We utilize cutting-edge CAD/CAM technology and 3D printing to bring your ideas and hand sketching designs to life with stunning jewelry designs.
Whether you need custom creations or are launching new product lines, our dedicated team collaborates closely with you to ensure every piece embodies exceptional beauty and quality.

Wax Injection Process

Our automated pressure and vacuum-controlled wax injection process ensures high-quality shape and surface. We clean each wax piece for a smooth finish, transforming every wax model into exquisite fine jewelry.

wax
倒模

Casting Process

Casting Mold: Mixed investment fills the cylinder tree, covering all wax; finest investment ensures a smooth surface with a fully air vacuum system.

Lost Wax Casting: Overnight, the oven heats the wax to 450°C-650°C, with specific temperatures assigned for optimal quality.

Casting: Liquid precious metal is injected at 900°C-1200°C, tailored to each design for the best casting results.

CNC

Our company utilizes advanced CNC machinery for jewelry production, ensuring precision and intricate designs. This cutting-edge technology enhances efficiency and quality, allowing us to create stunning pieces that meet the highest industry standards.

CNC
执模

Finishing & Assembly

We refine rough casting surfaces using abrasive media in progressive steps.

Parts are meticulously assembled using laser welding, ensuring precision and superior quality.

Microscopic Hand-Setting

With 35 years of experience in high-end jewelry production, our company ensures that every stone, whether diamond or gemstone, is meticulously hand-set by high skilled masters, delivering exceptional quality and precision in each creation.

镶石
抛光

Hand Polishing

The brilliance of the polished surface is achieved through exceptional craftsmanship, hand polishing from rough materials to the finest media.

Laser Marking

For precise and elegant logo engraving on each jewelry piece, marking is performed using a laser marking machine.

Custom printing of content is also available.

激光字印
QC

Quality Control

We maintain strict product quality control, inspecting each jewelry piece with a magnifying glass to ensure perfection in every detail.

This meticulous approach has led to an impressive product pass rate of 99%, reflecting our commitment to excellence and customer satisfaction.

Get in Touch with Us

Head Office

West 5th floor, B8 building, Li Lang International Jewelry Industry Estate, Shenzhen,China

Contact

Tel: +86 755 8693 6823
Email: contact@yiyanghk.com

Open Hours

Monday-Saturday 8:30 am - 6pm

Thailand Company

2A1,2nd Floor No. 4,6 Soi Sukhapiban 2 Soi 31, Dogma, Prawet, Bangkok 10250, Thailand.

Contact

Tel: +66 625966639
Email: contact@yiyangth.com

Open Hours

Monday-Saturday 8:30 am - 5:30pm