The abacus is a simple calculation tool for creating inventions in China. The abacus was born in the Northern Song Dynasty. The abacus is a simple calculation tool created and created by the working people of ancient China. China is the hometown of abacus. Today, when computers have been widely used, the ancient abacus has not only been abandoned, but because of its flexibility and accuracy, it has been in the ascendant in many countries. Therefore, people tend to compare the invention of the abacus with the four great inventions of ancient China. In the famous painting of the Northern Song Dynasty, "The Qingming Riverside Map", Zhao Taiqi's medicine cabinets have an abacus. Because the abacus calculation is convenient and fast, it has been a computing tool commonly used by the working people of ancient China for thousands of years. UNESCO passed in Baku, the capital of Azerbaijan, and abacus officially became a human intangible cultural heritage. This is also the 30th item listed as a non-legacy item in China.
The abacus is rectangular, surrounded by wooden frames, with a small wooden stick attached to it, a wooden stick on the wooden stick, a middle beam and an abacus divided into two parts, each of which has two beads in the upper half, each The beads are five, and the lower half has five beads, each of which represents one.Here the abacus keychain have the silver metal color. Four bead parts, left have two silver metal bead, right have five. Each beads are can be moved, very interesting keychain. It's a 3D keychain here is the 3D car keychain.
Here is the details:
1) Abacus keychain
2) Material: Zinc alloy/pewter alloy
3) Size: 1.25" or custom size
4) Attachment: Keyring with littl ring
5) Production process: Die casting-polishing-silver plating
6) Minimum order: No Minimum (No MOQ)
7) Sampling time: 7 days
8) Delivery time: 10-15 days for 100-5000pcs
9) Packaging: Each into a free poly bag
10)Payment Terms: T/T Western Union PayPal