Engineering case
Engineering Case
Long-distance pipeline
| Serial Number | User and Project Name | Provide valve product type |
| 1 | China Petroleum Engineering Co., Ltd. North China Branch Yongqing Station | Fully welded ball valve |
| 2 | China Aviation Oil Petrochemical Pipeline (Qingdao) Co., Ltd. | Ball valve |
| 3 | Ankang Relocation Airport Oil Supply Project of China Aviation Oil Xi'an Branch | Ball valve, flat gate valve, check valve |
| 4 | China Aviation Oil Petrochemical Pipeline Co., Ltd. Jinghong Pipeline | Ball valve, flat gate valve |
| 5 | PetroChina Shandong Oil Transportation Co., Ltd. | All-welded electric ball valve |
| 6 | PetroChina Jilin Natural Gas Pipeline Co., Ltd. Changchang-Ji Pipeline and China-Russia East Line Connection Project | Fully welded ball valve |
| 7 | Xining Zhongyou Gas Equipment Co., Ltd., Sesi-Xi-Lan Gas Pipeline | Large-diameter ball valve, double-closing double-off valve, shuttle check valve |
| 8 | Jinlong Pipeline Co., Ltd., Lan-Cheng-Yu Oil Pipeline | Shuttle check valve, ball valve, double-closing double-off valve |
| 9 | Pinghu Oil & Gas Field Company and Oil Pipeline | Flat gate valve, double-closing double-off valve, butterfly valve |
| 10 | Zhongwu Gas Pipeline Construction Project Management Department | Shuttle check valve, double-closing double-break valve |
| 11 | West-East Gas Transmission Project of China National Petroleum Pipeline No.1 Engineering Company | High pressure gate valve, ball valve, flat gate valve, double-closing double-off valve |
| 12 | Shaanxi-Beijing Shaanxi Gas Pipeline | Pipeline ball valve, double-closing double-off valve |
| 13 | Pipeline of Qinhuangdao Aviation Coal Terminal | Ball valve, double-closing double-off valve |
| 14 | Tuha Oil Field Oil Pipeline | Pipeline ball valve, double-closing double-off valve |
| 15 | Qinjing Line Ren-Jing Line of PetroChina Pipeline Qinjing Oil and Gas Transmission Company | Large diameter electric flat gate valve |
| 16 | The fourth project department of China Petroleum Pipeline Company | API high pressure fixed ball valve |
| 17 | China Petroleum Pipeline Bureau Western Pipeline Project Department | Large diameter high pressure electric flat gate valve, ball valve |
| 18 | China Petroleum & Chemical Corporation Pipeline Storage and Transportation Branch | Large diameter electric flat gate valve, butterfly valve |
| 19 | Tianjin International Petroleum Storage & Transportation Co., Ltd. | Gate valve, globe valve, check valve, safety valve |
| 20 | Dalian CNPC International Storage & Transportation Co., Ltd | Flat gate valve, double-closing double-off valve |
| 21 | PetroChina Company Limited Zhejiang Sales Branch | Double-off double-off valve |
| 22 | AVIC Tianjin-Beijing Pipeline Transportation Center | Ball valve |
| 23 | Sinopec valve supply center pipeline instrument long double line | Double-off double-off valve |
| 24 | Shanghai Branch of China National Petroleum Pipeline Engineering Co., Ltd. (Huaiwu Liaison Line of West-East Gas Pipeline) | spherical fully welded ball valve |
| 25 | PetroChina Pipeline Co., Ltd. Western Branch (Jiuquan) | spherical fully welded ball valve |
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