The Bayern defender refers to the fact that most of Germany's new faces have known each other for many years, having played in the same club or Germany's youth teams.
The other match on Friday saw Shenzhen Jiazhaoye held Shanghai Shenhua to a 0-0 draw.
Once again Atletico preferred to play their defensive game and only looked to attack their rivals when they had fallen behind as they were outplayed for long periods.
The win meant Qingdao continue to lead the overall standings, although second-placed Ruichang Biyuan also cruised to a victory, beating second from the bottom team Anhui Souyu 4-1 later in the day.
"Germany has been the first nation to have three of its coaches among the final four in the Champions League," he added.
However, Alfaro, who took charge last month after the resignation of Jordi Cruyff, refuses to accept that Ecuador will be outsiders to secure a berth in the next edition of football's showpiece tournament.
The group testing sessions will include some advance-notice testing, where the main focus will be on building the profiles of athletes for the Athlete Biological Passport (ABP) program.
Marcelo remains in support as left-back, presuming that Madrid decide to cash in on Sergio Reguilon, while Alvaro Odriozola's return from loan should offer support to Carvajal.
But Silva earned the visitors an unlikely point by holding his nerve from the spot in the 97th minute.
Felix Bastians should have snapped Teda's winless run in the 85th minute but the German saw his penalty saved by goalkeeper Deng Xiaofei.
Mena struck in the 41st and 51st minutes at Estadio Victoria as the visitors secured their fifth win from eight matches.