Photos were provided by CNPC N0.1, Fushun Petrochemical Maintenance Company, and Lanzhou Petrochemical Maintenance Company.

Collected by Sean (Su Nanyang)        Confirmed by Trifi

(2011.2.20—4.18)

Together（Photographed by Zhu Ruijun）

Measure（Photographed by Li Honglin）

Discussion（Photographed by Li Honglin）

Arm Fight（Photographed by Liang Jinrong）

Pour chain（Photographed by Yang Pingwang）

Fix（Photographed by Yang Pingwang）

Hoisting（Photographed by Yang Pingwang）