The Chinese have a rich history of inventing various weapons throughout different periods. Here are some notable weapons that originated in China:

1. Gunpowder: China is credited with the invention of gunpowder, which revolutionized warfare worldwide. Gunpowder led to the development of firearms, including cannons, rockets, and early versions of guns.
2. Crossbow: The crossbow was developed in ancient China and became a prominent weapon. It featured a horizontal bow mounted on a stock and was known for its power, accuracy, and ease of use.
3. Fire Lance: The fire lance was an early form of firearm invented in China during the 10th century. It consisted of a bamboo tube or metal barrel that propelled projectiles using a mixture of gunpowder and shrapnel.
4. Siege Weapons: Ancient Chinese inventors created various siege weapons, including trebuchets, catapults, and the traction trebuchet (or "hinged counterweight trebuchet"). These powerful machines were used for attacking fortified structures during battles and sieges.
5. Dao (Chinese Broadsword): The Dao is a traditional Chinese single-edged curved sword. It has been used by Chinese warriors for centuries and is known for its versatility and cutting power.
6. Jian (Chinese Straight Sword): The Jian is a traditional Chinese double-edged straight sword. It is renowned for its precision, agility, and elegance. The Jian has a long history and is associated with martial arts and cultural significance.
7. Qiang (Chinese Spear): The Qiang is a traditional Chinese spear that has been widely used in warfare and martial arts. It features a long shaft with a pointed blade and was valued for its reach and versatility on the battlefield.

These are just a few examples of weapons invented in China. Chinese inventors and artisans throughout history contributed significantly to the development of weapons and military technology, leaving a lasting impact on warfare and martial arts.