Correct

群策群力

/ qún cè qún lì /
Strokes

Example

Definition

pool all the brains and brawn; pool the wisdom and efforts of everyone; club ideas and exertions; work with collective wisdom and concerted efforts; work with united wisdom and efforts

1
Quánchǎng
全厂
gōngrén
工人
qúnqún
群策群力
  
,
gǎo
shù
技术
xīn
革新
  

All the workers in the factory devoted their wisdom and energy to technological innovation.