Lin made it 2-0 for the defending champions by beating Marc Zwiebler 21-11, 21-11 in men's singles.
Earlier Xu Chen/Ma Jin won the opening mixed doubles over Michael Fuchs/Birgit Michels 21-16, 22-20.
Chai Biao/Hong Wei sealed the tie in men's doubles when Michael Fuchs/Johannes Schoettler retired due to injury with the Chinese leading 13-10 in the first game.
Li Xuerui beat Karin Schnaase 21-17, 21-8 in the women’s singles, making it 4-0 for China.
In the women’s doubles Tang Yuanting/Yu Yang made it 5-0 in the tie by beating Isabel Herttrich/Birgit Michels, 21-14, 21-14.
The Sudirman Cup is the World Team Badminton Championships, held every two years, and one of the most prestigious titles in the badminton sport.