Various traditional technology and craft created brilliant Chinese ancient material cilvilzation,Shu Embroidery is one of brilliant pearl inlaid in history of Chinese traditional handcrafts.
Embroi…
Ladies and gentlemen, we are the right professional manufacturer providing you a big range of single cd jewel case, double cd jewel case, slim cd jewel case, automatic cd jewel case, standard dvd case…
Double string bag BP006
1)Gold color 210D oxford cloth coated with PA;
2)One outer pocket with cord zipper closure;
3)String shoulder bag.
4)47cmL x 38cmW
Double shoulder bag BP701
1) Orange and gray 600D w/PVC cloth, 2.5cm width adjustable shoulder strap with foam pad and one handle.
2) One inner pocket made of 210T cloth with zipper closure on …
We are a professinal manufacturer of lenses and prisms in China, we have been in this line for more than ten years, and products sell well to USA and Japan.
Rod lenses are polished on the circumference and ground on both ends. The optical performance of a rod lens is similar to a cylinder lens. If a collimated light passes through the diameter of the rod,…
Plano-concave cylindrical lenses are used in cases requiring magnification in one dimension only, such as in transforming a point image into a line image or changing the height of an image without aff…
Plano-convex cylindrical lenses are used in cases requiring magnification in one dimension only, such as in transforming a point image into a line image or changing the height of an image without affe…
Symmetric concave lenses are manufactured with both concave surfaces. They have negative focal lengths. These lenses are often used to expand light or to increase focal lengths in existing systems. Al…
Symmetric convex lenses are fabricated with the identical convex surface on both side of the lens. Due to the symmetry, aberrations such as coma, distortion and chromatic aberration are almost cancele…
Plano convex lenses are used in many applications including telescopes, collimators, magnifiers, optical transceivers and condenses. These lenses have a plane and a convex surface. They may be combine…
1. Uses 100% high grade imported polyester yarn, it has abundant colors, compact structure, high density and on fragment, and it is smooth and not easy to fall off
2. At present has ten kinds of r…
1. Uses 100% polyester yarn, it has strong friction, color fastness and excellent looks. Smooth and anti-wrinkle, it feels flexible
2. At present we have 10 kinds of regular sizes: 1/4" , 3/8…
ECROBOT CO., Ltd, Business Registration Number : 220-88-71747, CEO J.W.Park, TEL : +82-2-552-7676, E-mail : E-mail : Contact us Address : (Hwanghwa B/D 11F, Yeoksam-dong)320, Gangnam-daero, Gangnam-gu, Seoul, South Korea