administration : tel: 86-551-62874035 (mandarin)
fax: 86-551-62877722
human resources: 86-551-62865095(mandarin, english) ;
finance: 86-551-62866209(mandarin, english);
marketing: 86-551-62884773(mandarin, english);
86-551-62865150(français, русский язык);
e- mail:
engineering: 86-551-62877526(mandarin, english);
import-export: 86-551-62865105(mandarin, english);
international trade: 86-551-65300500(mandarin, english);
labor service: 86-551-64652406(tel&fax)(mandarin, english);
safety management: 86-551-62862081(mandarin, english);
engineer in chief: 86-551-62862087(mandarin, english);
beijing office: 86-10-64924082 (mandarin, english);
(fax): 86-10-64953994
tendering: 86-551-62875511(mandarin, english);