4b world was established in 1995. Located in shenzhen of China, we specialize in with MID to high qualit y sunglasses and optical frames made of nickel silvers, stainlenss steel, monel, titanium and acetate materials. We have over 1300 worker and boast the capacity to produce from 1.8 to2.5 million frames per year. Our professional sales team, design team, technology team and sourcing team provide you with the best services.

Most of our products Europe, north American, south American, south American and Japan. Customers'designs and samples are welcome anytime.

Our product include:
Sunglasses and optical frames
Men, ladies and unisex styles
Full rim, half rim, and rimless
Clip on
Optical part, including fronts, monobloc spring temples bridges injestion temples and tips, metal
Plaques and logos, and screws

1. Stainless steel
2. Nickel silver and monel
3. Titanium (beta titanium, titanium alloy)
4. Handmade acetate
5. Memory metl
6. Aluminium alloy
7. Tr90 memory plastic
8. Metal sunglasses
9. Acetate sunglasses(sunlens material: PC/cr-39/AC/glass/PC polarized/cr-39 polarized/AC polarized/glasspolarized)

Our objective is 4 best:
Best design
Best quality
Best delivery
Best price

We enjoy a good repution due to our strong expertise advanced equipment, exquisite technology and consummate service, we are looking forward to your arrival for further win-win cooperation.