In April 1990, China's armed forces dispatched five military observers to UNTSO and embarked on a new voyage as a participant in the UNPKOs.

In April 1992, China's armed forces dispatched an engineer unit of 400 troops to UNTAC. This was the first formed military unit committed by China to the UNPKOs.

In September 2000, Chinese President Jiang Zemin addressed the UN Security Council summit and expanded on China's stance on the functions of the Security Council, the UNPKOs and African issues.

In December 2001, the Peacekeeping Affairs Office of the MND of the PRC was established. The office took on the responsibility for coordinating and managing the peacekeeping affairs of China's armed forces, and conducting international peacekeeping exchanges.

In February 2002, China officially joined the United Nations Standby Arrangement System (UNSAS) level 1 and specified one engineer battalion, one level-2 hospital and two transport companies as UN peacekeeping standby units. These were pledged to deploy to mission areas within 90 days of a request made by the UN.

In April 2003, China's armed forces dispatched an engineer unit of 175 troops and a medical unit of 43 troops to MONUC.

In December 2003, China's armed forces dispatched an engineer unit of 275 troops, a transport unit of 240 troops and a medical unit of 43 troops to UNMIL.

In April 2006, China's armed forces dispatched an engineer unit of 182 troops to UNIFIL.

In May 2006, China's armed forces dispatched an engineer unit of 275 troops, a transport unit of 100 troops and a medical unit of 60 troops to UNMIS.

In January 2007, China's armed forces dispatched an additional medical unit of 60 troops to UNIFIL and expanded the engineer unit to 275 troops.

In February 2007, during his state visit to Liberia, Chinese President Hu Jintao visited China's peacekeeping troops deployed on the UN mission there, and wrote words of encouragement: "Fulfill missions faithfully and safeguard world peace."

In September 2007, Major General Zhao Jingmin was appointed as Force Commander of MINURSO. He was the first Chinese military officer to assume a senior command position in the UN peacekeeping forces.

In November 2007, China's armed forces dispatched a multipurpose engineer unit of 315 troops to UNAMID. The unit was the first UN peacekeeping force to enter the mission area.

In June 2009, the Peacekeeping Center of the MND of the PRC was established, which took over the responsibility for peacekeeping training, research and international cooperation for China's armed forces.

From June to July 2009, China's armed forces held a joint exercise codenamed Peacekeeping Mission-2009 with their Mongolian counterparts. This was China's first joint peacekeeping exercise with a foreign force.

In September 2010, the Peacekeeping Affairs Office of the MND of the PRC and the UN Department of Peacekeeping Operations (UNDPO) co-hosted the UN Senior Mission Leaders' Course in Beijing, China -- the first senior-level peacekeeping training program held by China's armed forces.

In March 2011, UN Training of Trainers Course was co-hosted by the Peacekeeping Affairs Office of the MND of the PRC and the UNDPO for the first time.

In July 2011, Chinese engineer and medical units committed to UNMIS were transferred to the newly-established UNMISS. The transport unit completed its tasks and returned home.

In June 2013, UN Secretary-General Ban Ki-moon paid a visit to China, during which he visited the Peacekeeping Center of the MND of the PRC.

In December 2013, China's armed forces dispatched an engineer unit of 155 troops, a force protection unit of 170 troops and a medical unit of 70 troops to MINUSMA.

In October 2014, the Peacekeeping Affairs Office of the MND of the PRC hosted the International Forum for the Challenges of Peace Operations 2014 in collaboration with the China Institute for International Strategic Studies and Folke Bernadotte Academy of Sweden. Eighty-six delegates from the UN and 19 countries participated in the event.

In January 2015, China's armed forces dispatched the first infantry battalion of 700 troops to UNMISS.

In April 2015, the defense ministers of China and Vietnam signed an MOU on peacekeeping cooperation.

In May 2015, China's armed forces dispatched an additional construction engineer unit of 200 troops to UNIFIL.

In June 2015, China's armed forces sent troops to participate for the first time in the Khan Quest multinational peacekeeping exercise in Mongolia.

In June 2015, the UN Peacekeeping Operations Protection of Civilians Course was co-hosted by the Peacekeeping Affairs Office of the MND of the PRC and the United Nations Entity for Gender Equality and the Empowerment of Women (UN Women).

In September 2015, Chinese President Xi Jinping addressed the Leaders' Summit on Peacekeeping at UNHQ and put forth four propositions and six measures that China would take to support and improve the UNPKOs.

In November 2015, China's armed forces held a photo exhibition entitled "In Course of Peace -- Celebrating the 25th Anniversary of China's Armed Forces in UN Peacekeeping Operations" at UNHQ.

In July 2016, during his visit to China, UN Secretary-General Ban Ki-moon visited the first peacekeeping helicopter unit to be dispatched to Sudan's Darfur by China's armed forces.

In January 2017, Chinese President Xi Jinping delivered a keynote speech entitled "Work Together to Build a Community with a Shared Future for Mankind" and provided a profound, comprehensive and systematic analysis of the vision of building a community with a shared future for mankind at the UN Office at Geneva.

In June 2017, China's armed forces dispatched the first helicopter unit of 140 troops to UNAMID.

In September 2017, the 8,000-strong Chinese peacekeeping standby force completed its PCRS registration.

In December 2017, as deputy chair of the expert working group, China hosted the drafting of UN Military Peacekeeping-Intelligence Handbook.

In May 2018, China and Pakistan signed a protocol on policy collaboration with regard to the UNPKOs in Islamabad.

In June 2018, the Peacekeeping Affairs Office was restructured into the Peacekeeping Affairs Center of the MND of the PRC, and the Peacekeeping Center into the Training Base of the Peacekeeping Affairs Center of the MND of the PRC.

In September 2018, representatives of China's peacekeeping troops attended the 2018 Beijing Summit of the Forum on China-Africa Cooperation (FOCAC).

In October 2018, 13 units of the Chinese peacekeeping standby force passed the UN assessment and were elevated to PCRS Level 2.

In December 2018, as deputy chair of the expert working group, China hosted the updating of the United Nations Peacekeeping Missions Military Engineer Unit Manual.

In 2019 and 2020, six units of the Chinese peacekeeping standby force passed the UN assessment and were elevated from PCRS Level 2 to Level 3.

In October 2019, a grand celebration was held in Beijing to mark the 70th anniversary of the founding of the PRC. The Chinese military peacekeepers were reviewed by the country and the people for the first time in a National Day military parade.