Sun Shaowei, from the No 42 Army Group, was among more than 200 snipers from the Chinese army, navy, air force and missile forces who concluded 40 days of training on May 22. Training included theories, case studies and tactical training, and four foreign officers were invited to do demonstrations and give lectures on theories. (Photo / Xinhua)

Chinese-made heavy-caliber sniper rifles are used in training on May 21, 2013. More than 200 snipers from the Chinese army, navy, air force and missile forces concluded 40 days of training on May 22. Training included theories, case studies and tactical training, and four foreign officers were invited to do demonstrations and give lectures on theories. (Photo / Xinhua)

More than 200 snipers from the Chinese army, navy, air force and missile forces concluded 40 days of training on May 22. Training included theories, case studies and tactical training, and four foreign officers were invited to do demonstrations and give lectures on theories. (Photo / Xinhua)

Snipers behind "enemy" lines try to send battlefield information to headquarters during training on May 21, 2013. More than 200 snipers from the Chinese army, navy, air force and missile forces concluded 40 days of training on May 22. Training included theories, case studies and tactical training, and four foreign officers were invited to do demonstrations and give lectures on theories. (Photo / Xinhua)

More than 200 snipers from the Chinese army, navy, air force and missile forces concluded 40 days of training on May 22. Training included theories, case studies and tactical training, and four foreign officers were invited to do demonstrations and give lectures on theories. (Photo / Xinhua)

Certificates of honor are handed out on May 22, 2013. More than 200 snipers from the Chinese army, navy, air force and missile forces concluded 40 days of training on May 22. Training included theories, case studies and tactical training, and four foreign officers were invited to do demonstrations and give lectures on theories. (Photo / Xinhua)