Swiss pesticide and seed giant Syngenta has agreed to a $43 billion takeover offer from China National Chemical, in the most ambitious foreign takeover attempt by a Chinese company to date. Here are five things to know about the company commonly known as ChemChina.

#1: What is ChemChina?

China National Chemical Corp. was formed in 2004 and is the largest chemicals company in China. Headquartered in Beijing, ChemChina remains unlisted and is a state-owned enterprise ultimately managed by the Chinese government. ChemChina’s revenue last year was $45 billion and it employs 140,000 people, according to its website.

#2: What does it do?

ChemChina produces a wide array of chemicals and is also a leading manufacturer of tires, conveyor belts and chemical machinery. The company is China’s largest producer of pesticides and its chief mandate is to improve the protection of Chinese crops. The company operates nine crude-oil refineries in China, but also owns the popular Malan Noodle fast-food restaurant chain.