| Zhongtuo Finished projects in recently years   | 
| NO | Project Name | Pipeline info | Length | Customers | Date | 
| 1 | YangGu Gas pipeline Pigging and pressure testing | Φ323.9x6.4mm | 15km | Yanggu copper factory | 2007 | 
| 2 | Zhumadian Blue sky group pressure testing and cleaning | Pipeline Networking | 1set | German Siemens company | 2007 | 
| 3 | Lixin-Fuyang gas pipeline cleaning, pressure testing, drying, nitrogen replacement | Φ219x6.4mm | 57km | Anhui Natural Gas company | 2007 | 
| 4 | Yanjing-Tianjin Pipeline cleaning, pressure testing, drying | Φ599 x6.4mm | 57km | SINOPEC  | 2007 | 
| 5 | Yantai gas pipeline Pigging, pressure testing | Φ406 x6.4mm | 60km | Yantai zhongshi Natural gas company | 2007 | 
| 6 | Xinyang-Gushi gas pipeline pigging, pressure testing, drying, nitrogen replacement | Φ323.9x6.4mm | 120km | Xinyang Gas company | 2007 | 
| 7 | Yanshan-beijing coal Pipeline water cleaning, pressure testing, pigging | Φ323.9x6.4mm | 38km | Beijing yanshan petroleum company | 2007 | 
| 8 | Hunan petroleum Pipeline pigging, pressure testing | Φ406 x6.4mm | 120km | SINOPEC | 2007 | 
| 9 | Zhongshan gas pipeline Pipeline cleaning, pressure testing, drying | Φ508 x6.4mm | 16km | Zhongshan Natural Gas company | 2007 | 
| 10 | Anhui gas pipeline Nitrogen replacement | Φ219x6.4mm | 52km | Anhui Natural Gas company | 2007 | 
| 11 | Shanxi Xi’an Pipeline pigging, pressure testing, drying | Φ813x12mm | 30km | Xi’an Natural Gas company | 2007 | 
| 12 | Changsha Gas Pipeline pigging, pressure testing | Φ406x6.4mm | 40km | Changsha Natural Gas company | 2007 | 
| 13 | Fuoshan Gas pressure testing | Φ508x6.4mm | 20km | Foshan Natural Gas company | 2007 | 
| 14 | Shenzhen Gas Pipeline pressure testing, vacuum drying | Φ508x6.4mm | 75km | ShenZhen Natural Gas company | 2007 | 
| 15 | Inner-Mongolia Pipeline cleaning, pressure testing | Φ508x7.0mm | 110 km | China Natural Gas company | 2007 | 
| 16 | Jiangxi petroleum Pipeline cleaning, pressure testing,  | Φ355x7.0mm | 225 km | SINOPEC Jiangxi Branch | 2007 | 
| 17 | Hunan pretroleum Pipeline pressure testing | Φ406x6.4mm | 256 km | SINOPEC Hunan Branch | 2008 | 
| 18 | Anhui-Huaibei Gas Pipeline cleaning, pressure testing, drying | Φ273x6.4mm | 120km | Anhui Natural Gas company | 2008 | 
| 19 | Luwan petroleum Pipeline cleaning, pressure testing | Φ457×6.4mm | 50km | SINOPEC | 2008 | 
| 20 | SINOPEC Sichuan-eastern gas transmission Chuanwei branch Pipeline cleaning, pressure testing | Φ559×8.0mm | 70km | Jianghan Construction company | 2008 | 
| 21 | SINOPEC Sichuan-eastern gas transmission Pipeline cleaning, pressure testing | Φ508×8.0mm | 60km | Shanghai Jinshen Company | 2008 | 
| 22 | SINOPEC Sichuan-southern gas transmission  Pipeline pressure testing | Φ711×10mm | 100 km | Sichuan Tianchi Petroleum construction | 2008 | 
| 23 | SNOOC LNG Shenzhen Pipeline cleaning, vacuum drying | Networking | 3sets | SNOOC | 2008 | 
| 4sets | Sichuan Petroleum construction | 
| 24 | SINOPEC Sichuan-eastern gas transmission Anhui Pipeline cleaning, pressure testing, drying | Φ1016×17mm | 45km | Qinghai Petroleum construction | 2008 | 
| 25 | SINOPEC Lanchang Pipeline cleaning, pressure testing | Φ610×7.9 mm | 78km | SINOPEC | 2008 | 
| Φ219×5.6 mm | 24km | 
| 26 | SINOPEC Sichuan-eastern gas transmission ,Section liangping Pipeline cleaning, pressure testing,  | Φ559×8.8mm | 30 km | Shengli Petroleum construction | 2008 | 
| 27 | Jilin-Songyuan gas Pipeline cleaning, pressure testing, drying | Φ457×7.1mm | 82.18 km | China pipeline No.3 company  | 2008 | 
| 28 | Tianjin harbor Pipeline cleaning, pressure testing | Φ813×14.7mm | 32.38 km | Zhongyuan Petroleum construction | 2008 | 
| 29 | Lisha petroleum Pipeline cleaning, pressure testing | Φ457×7.0mm | 40km | Sichuan Petroleum construction | 2008 | 
| 45km | SINOPEC No.2 Petroleum construction | 
| 30 | Lisha Petroleum Pipeline cleaning, pressure testing, drying, water filling test, nitrogen filling test | Φ457×7.0mm | 169.8km | SNOOC Dongguan  | 2008 | 
| 31 | SINOPEC Sichuan-eastern gas transmission No.4 Vacuum drying | Φ1016×17mm | 130km | SINOPEC Sichuan-eastern gas transmission | 2008 | 
| 32 | Changchangji section 1 and 2 Pipeline pressure testing | Φ711×10mm | 108km | Pipeline Bureau Changji | 2008 | 
| 33 | Jiaozhou-Rizhao gas(Ⅳ section)Pipeline cleaning, pressure testing | Φ508×8.7mm | 29km | Henan Petroleum construction | 2008 | 
| 34 | Fulian Pipeline cleaning, pressure testing, drying | Φ406×7.1mm | 345km | SINOPEC Fujian Branch | 2008 | 
| 35 | Yanlian-Xi’an petroleum Pipeline Pigging, pressure testing,  | Φ426×7.0mm | 108km | Yanchang Group | 2009 | 
| 36 | Yuedong Ocean pipeline Dewatering, Vacuum drying | Φ610×11.9mm | 175km | SNOOC construction | 2009 | 
| 37 | SINOPEC Sichuan-eastern gas transmission No.42 Pipeline cleaning, pressure testing, vacuum drying | Φ1016×26mm | 67km | SINOPEC construction | 2009 | 
| 38 | Yongqing-Tangshan-Qinhuangdao Gas transmission line | Φ1016×21mm | 51 km | Sichuan Petroleum construction | 2009 | 
| 39 | SINOPEC Sichuan-eastern gas transmission Qianjiang section Pipeline cleaning, pressure testing, vacuum drying | Φ1016×21mm | 46km | Beijing Yanhua | 2009 | 
| 40 | SINOPEC Sichuan-eastern gas transmission No. 18 Pipeline pressure testing | Φ1016×21mm | 45km | Shengli Petroleum construction | 2009 | 
| 41 | SINOPEC Sichuan-eastern gas transmission  Pipeline Pigging, pressure testing | Φ610×11.9mm | 18.5km | Henan Petroleum construction | 2009 | 
| 42 | Kunming-Dali petroleum sectionⅣ Pipeline cleaning, pressure testing | Φ273×7.9mm | 97.55km | Zhongyuan Petroleum construction | 2009 | 
| 43 | Inner-Mongolia water supply Pipeline cleaning, pressure testing, diameter measurement | Φ356×15mm | 49 km | Baotou steel group | 2009 | 
| Φ920×13mm | 56 km | 
|   44 | Baoji-Hanzhong gas Pipeline cleaning, pressure testing, water filling test, pigging, diameter measuring | Φ323×9mm | 62.5km | Shanxi Petroleum construction | 2009 | 
| 45 | Xiaoyi-Lingshi-Huozhou Pipeline cleaning, pressure testing | Φ559×9mm | 40 km | SINOPEC No.2 construction  | 2009 | 
| 46 | SINOPEC Sichuan-eastern gas transmission Pipeline cleaning, pressure testing, diameter measurement | Φ1016×21mm | 25 km | SINOPEC Sichuan-eastern gas transmission | 2009 | 
| 47 | Jiangxi Gas pipeline networking diameter measurement | Φ508×9.5mm | 56 km | China chemical construction No.2 company | 2009 | 
| 48 | Wuhan gas Pipeline cleaning, pressure testing, dewatering | Φ813×11.9mm | 23.8 km | Wuhan gas company | 2009 | 
| 49 | SINOPEC Sichuan-eastern gas transmission section 2. Pipeline pressure testing,(Xinjiang section) | Φ1219×17mm | 300km | China petroleum pipeline Bureau | 2009 | 
| 50 | SINOPEC Sichuan-eastern gas transmission Pipeline vacuum drying | Φ813×11mm Φ508×8mm Φ406×6mm Φ323.9×5mm | 115km | SINOPEC Sichuan-eastern gas transmission | 2009 | 
| 51 | Sening-Lanzhou Pipeline cleaning, pressure testing, dewatering, pigging | Φ660×7.0mm | 233 km | Qinghai Petroleum construction | 2009 | 
| 52 | WenchPipeline cleaning, pressure testing, drying | Φ508×7.9mm | 88km | SNOOC | 2009 | 
| 53 | Wuhan Gas Pipeline Nitrogen replacement | Φ710×7.0mm | 30km | Wuhan Natural Gas company | 2010 | 
|   54 | Guangxi petroleum Pipeline Pigging, pressure testing, drying | Φ457×7.0mm | 160km | Hebei Petroleum construction | 2010 | 
| 55 | China-Russia petroleum Pipeline cleaning, pressure testing, dewatering | Φ813×8.7mm | 156 km | Shengli Petroleum construction | 2010 | 
| 56 | Changchangji Gas Pipeline pressure testing | Φ610×7.9mm | 98 km | Daqing Petroleum construction | 2010 | 
| 57 | Jiangxi Gas network Pipeline cleaning, pressure testing, drying, nitrogen replacement | Φ508×9.5mm | 150km | Jiangxi Gas pipeline networking company         | 2010 | 
| 58 | Changchangji Gas No.1 and No.2 Pipeline drying | Φ610×7.9mm | 88 km | Pipeline bureau NO.1 Branch | 2010 | 
| 59 | Changchun-Huide Gas Pipeline nitrogen replacement, drying | Φ610×7.9mm | 30km | Changchun Natural Gas company | 2010 | 
| 58 | Sudan 3/7 Area Petroleum pipeline pressure testing | Φ610×7.9mm | 480 km | Sudan | 2010 | 
| 58 | Sudan 6 Area CPF petroleum pipeline pressure testing | Φ610×7.9mm | 100 km | Sudan | 2010 |