At the construction site of the main Olympic stadium, a variety of heavy machines from Chinese companies Sany, XCMG and Zoomlion are in use. According to Sany, which owns a factory base near Brazil’s largest city Sao Paulo, at the beginning of the Rio Olympic Park program, a total of 23 heavy machines were being used, including six diggers and seven road rollers from Sany.

The supply chain for the Rio Olympics has to ensure that 30 million items are available, from ballpoint pens to sports equipment, furniture, horse food and even ships — a variety of articles unparalleled in its scale. The operation includes more than 60,000 square meters of storage space and more than 1,000 outsourced professionals.

Rio 2016 procurement director Fernando Cotrim said that in 2013, Rio’s supply chain team made a special trip to China to discuss the procurement schedule of all materials and services needed. In addition, according to the Chinese Embassy in Brazil, some Chinese companies also came to Rio looking for deals during the preparation stage.

Cotrim said the Games would be a boon to Chinese companies exploring overseas markets and he welcomes cooperation from Chinese companies.

During last year’s Brazil World Cup, China’s Nuctech provided nine of the 12 stadiums with security inspection equipment. En route to the Olympics, Nuctech is preparing to bid on security services again.

“Compared with the World Cup program, our equipment has better quality and is capable of meeting the standards set by the organizers,” said Nuctech Brazil vice -president Yu Ping.

Outside the Olympic stadium, more and more Chinese companies are coming to Brazil. As China’s top air conditioner producer, Gree is among the first Chinese enterprises to set up factories in Brazil. After 15 years of development, Gree has moved into the top three air conditioner producers in Brazil. Gree provided several supporting programs during the Word Cup and has won bids in numerous programs in hotels and airports preparing for the Olympics.

In transportation, the 100 high-speed subway trains produced by Changchun Railway Vehicles Co were completed in Changchun, Jilin province, last month, and will come into service for the Rio Olympics. It will mark the first time that a Chinese train maker has taken part in an Olympic transportation system outside of China.