There are 29 DN1400 projects and 80 projects above DN1200, accounting for over 95% of the market share of direct buried laying projects. Provided over 60000 maintenance free sleeve compensators for more than 500 heating projects, with over 25 years of continuous safe operation performance. The major clients in various provinces and cities are as follows:
Heilongjiang Province
| User name in Heilongjiang region | Usage time | Nominal diameter |
| Jixi Thermal Power Company in Heilongjiang Province | 2004 | DN1000 |
| Qiqihar Hecheng Heating Network Co., Ltd | 2007 | DN1000～DN150 |
| Huadian Heilongjiang Longdian Power Equipment Co., Ltd | 2007～2015 | DN1200 |
| Huadian Harbin Third Power Plant | 2008～2011 | DN1200～DN200 |
| Huadian Mudanjiang Second Power Plant | 2009 | DN1200 |
| Huadian Jiamusi Thermal Power Plant | 2010 | DN1200～DN200 |
| Harbin Huaneng Central Heating Co., Ltd | 2010～2012 | DN1000～DN400 |
| Xiangfang Experimental Farm in Heilongjiang Province | 2011 | DN1000～DN450 |
| Huaneng Daqing Thermal Power Co., Ltd | 2013 | DN1200～DN250 |
| Mudanjiang Fengyuan Science and Trade Co., Ltd | 2013 | DN1200～DN200 |
| Harbin Daoli Real Estate Management Company | 2014 | DN1200～DN700 |
| Qiqihar Zhongran Thermal Power Co., Ltd | 2015 | DN1200～DN300 |
| Mudanjiang Thermal Power Co., Ltd | 2016 | DN1000～DN600 |
| Huadian Fulaerji Thermal Power Plant | 2016 | DN1000～DN250 |
| Harbin Huaneng Central Heating Co., Ltd | 2017 | DN1400～DN1000 |
| Harbin Ha Tou Urban Thermal Power Co., Ltd | 2017 | DN1000～DN80 |
| Harbin Nongken Fangda Pipe Industry Co., Ltd | 2017 | DN1400～DN350 |
| Heihe Thermal Power Plant | 2017 | DN900～DN800 |
| Yichun Housing and Urban Rural Development Bureau | 2018 | DN1000～DN500 |
Jilin
| User name in Jilin region | Usage time | Nominal diameter |
| Changchun Thermal Power Corporation | 2005～2007 | DN1200～DN150 |
| Yanji Central Heating Co., Ltd | 2009 | DN1200～DN450 |
| Siping Thermal Power Corporation | 2010 | DN1200～DN200 |
| Baishan Thermal Power Company | 2011 | DN1000～DN700 |
| Jilin Thermal Power Corporation | 2015 | DN1000 |
Liaoning
| User name in Liaoning region | Usage time | Nominal diameter |
| Shenyang Huitian Thermal Power Co., Ltd | 1999 | DN1000～DN600 |
| Shenyang High tech Development Zone Thermal Power Company | 2002 | DN800~DN450 |
| Shenyang Huanggu District Heating Company | 2005 | DN900~DN700 |
| Shenyang Xiangyun Thermal Power Co., Ltd | 2006 | DN800~DN200 |
| Shenyang Shengda Thermal Power Co., Ltd | 2007 | DN900 |
| Fuxin Shuangyi Heat Source Co., Ltd | 2008 | DN900~DN250 |
| Shenyang Liming Jian'an Industrial Engineering Co., Ltd | 2009 | DN800 |
| Huadian Dandong Jinshan Thermal Power Co., Ltd | 2012 | DN1200～DN800 |
| Huaneng Dalian Power Plant | 2012 | DN1200～DN250 |
| Shenyang Xiangyun Thermal Heating Co., Ltd | 2012 | DN1000 |
| Kangping Thermal Power Company | 2013～2014 | DN800~DN150 |
Tianjin
| User Name in Tianjin Region | Usage time | Nominal diameter |
| Tianjin Jinneng Binhai Thermal Power Co., Ltd | 2010 | DN1400 |
| Tianjin Thermal Power Group | 2010 | DN800~DN250 |
Beijing
| User name in Beijing area | Usage time | Nominal diameter |
| Beijing Thermal Power Group | 2006～2011 | DN1200～DN200 |
| Beijing Huayuan Thermal Power Pipeline Network Co., Ltd | 2008 | DN800~DN200 |
Shandong
| User name in Shandong region | Usage time | Nominal diameter |
| Qingdao Dongyi Industrial Corporation | 2008 | DN1200～DN300 |
| Yantai Qingquan Industrial Co., Ltd | 2008 | DN800~DN400 |
| Qingdao Kaiyuan Thermal Power Co., Ltd | 2009 | DN1000～DN250 |
| Huadian Qingdao Thermal Power Co., Ltd | 2009 | DN1200～DN800 |
| Linyi Blue Sky Heating Co., Ltd | 2009 | DN800 |
| Tai'an Thermal Power Company | 2011～2016 | DN1200～DN200 |
| Huaneng Liaocheng Thermal Power Plant | 2014 | DN900～DN250 |
| Jinan Thermal Power Company | 2015 | DN1400 |
| Shandong Xingda New Energy Co., Ltd | 2015 | DN1400～DN1000 |
| Heze Minsheng Heating Co., Ltd | 2015 | DN1200～DN1000 |
| Heze Minsheng Heating Co., Ltd | 2015 | DN1200～DN1000 |
| Jinan Thermal Power Co., Ltd | 2016 | DN1400 |
| Jining Juyuan Thermal Power Co., Ltd | 2017 | DN1400 |
Hebei
| User name in Hebei region | Usage time | Nominal diameter |
| China Power Investment Corporation Shijiazhuang Liangcun Thermal Power Co., Ltd | 2010～2012 | DN1400～DN800 |
| Tangshan Caofeidian New Island Technology Development Company | 2012 | DN1200～DN400 |
| Hengshui Hengtong Thermal Power Co., Ltd | 2013 | DN1200～DN600 |
| Xingtai Thermal Power Company | 2015 | DN1000～DN600 |
| Hebei Zhongdian Huanhui Technology Investment Co., Ltd | 2015 | DN1200～DN450 |
| Xingtai Xuyang Thermal Power Co., Ltd | 2015 | DN1200～DN600 |
| Shijiazhuang Thermal Power Co., Ltd | 2016 | DN1000～DN900 |
| Langfang Guangda Heating Co., Ltd | 2016 | DN1400～DN500 |
| Zhuozhou Jingre Thermal Power Co., Ltd | 2016 | DN1200～DN150 |
| Xingtai Thermal Power Company | 2017 | DN1200～DN150 |
| Handan Heating Company | 2017 | DN1400～DN900 |
| Huaneng Shang'an Power Plant | 2017 | DN1400～DN200 |
| Tangshan Caofeidian District Central Heating Long distance Pipeline Project | 2017 | DN1200～DN900 |
| Zhengding Huixin Thermal Power Company | 2018 | DN1000～DN600 |
Shanxi
| User name in Shanxi region | Usage time | Nominal diameter |
| Shanxi Yangquan Mining Bureau Thermal Power Company | 2002 | DN800~DN300 |
| Shanxi Guangling Power Plant | 2005 | DN800 |
| Shanxi Qinxin Energy Group Co., Ltd | 2013 | DN700 |
| Lvliang Heating Project | 2017 | DN1200～DN250 |
Henan
| User name in Henan region | Usage time | Nominal diameter |
| Puyang Guotai Thermal Power Company | 2012 | DN1200～DN1000 |
| Jiaozuo Huanhui Thermal Economy Co., Ltd | 2014 | DN1200～DN300 |
| Luoyang Beikong Water Group Co., Ltd | 2016 | DN1200 |
| Puyang Yuneng Power Generation Co., Ltd | 2017 | DN1400 |
| CPC Petrochemical Construction Engineering Co., Ltd | 2018 | DN1400 |
| Puyang Thermal Power Company | 2018 | DN1000～DN350 |
| Shangqiu Xinshang Heating Co., Ltd | 2018 | DN1000～DN400 |
Inner Mongolia
| User name in Inner Mongolia region | Usage time | Nominal diameter |
| Hohhot Thermal Power Company | 2006 | DN1200～DN200 |
| Baotou Huarong Thermal Power Company | 2008 | DN1200～DN700 |
| Hongtai Company, Ejin Horo Banner, Ordos | 2009～2011 | DN1200～DN200 |
| Shuangliang Hailar Group | 2013 | DN1200～DN700 |
| Hohhot Jinqiao Thermal Power Plant | 2014 | DN1200～DN700 |
| Wuhai Thermal Power Company | 2015 | DN1200～DN1000 |
| Wuhai Thermal Power Company | 2016 | DN1200～DN1000 |
| Inner Mongolia Harun Energy Co., Ltd | 2016 | DN1200 |
| Ordos Tonghui Heating and Gas Group Co., Ltd | 2017 | DN1400 |
| Chifeng Fulong Thermal Power Co., Ltd | 2018 | DN1400～DN300 |
Ningxia
| User name in Ningxia region | Usage time | Nominal diameter |
| Ningxia Western Thermal Power Co., Ltd | 2013 | DN1200～DN200 |
| Xinghan Municipal Industry (Group), Shizuishan City | 2013 | DN900~DN500 |
| Lingwu Heating Company | 2014 | DN1000～DN250 |
| Lingwu Heating Company | 2016 | DN800～DN250 |
| Pingluo County Central Heating Co., Ltd | 2015 | DN1000～DN600 |
| Wuzhong Thermal Power Company | 2016 | DN1400～DN300 |
Shaanxi
| User name in Shaanxi region | Usage time | Nominal diameter |
| Yan'an Thermal Power Company | 2012 | DN800~DN400 |
| Baoji Thermal Power Co., Ltd | 2012 | DN500~DN300 |
| Yulin Huitong Heating Co., Ltd | 2013 | DN900~DN150 |
| Shaanxi Jinghe Thermal Power Co., Ltd | 2016 | DN800 |
| Shaanxi Pincheng Thermal Power Co., Ltd | 2018 | DN1200～DN150 |
| Shaanxi Qinyuan Thermal Power Co., Ltd | 2018 | DN1200 |
| Xi'an Heating Company | 2018 | DN1200～DN600 |
| Shenmu City Heating Company Central Heating Project | 2018 | DN1400 |
Gansu
| User name in Gansu region | Usage time | Nominal diameter |
| Lanzhou Renhe Thermal Power Operation Co., Ltd | 2012 | DN800~DN400 |
| Lanzhou New Area Shuangliang Thermal Power Co., Ltd | 2013 | DN1200～DN600 |
| China Power Investment Lanzhou New Area Thermal Power Co., Ltd | 2014～2015 | DN1400～DN200 |
| China Power Investment Lanzhou New Area Thermal Power Co., Ltd | 2016 | DN1200～DN200 |
| Zhangye Anhui Third Construction Cogeneration Project Department | 2014 | DN1200 |
| Baiyin Ruiguang New Energy Development Management Co., Ltd | 2015 | DN1200～DN250 |
| Ningxia Western Thermal Power Co., Ltd | 2016 | DN1200 |
| Gansu Tianshui Thermal Power Company | 2016 | DN1000 |
| Linxia Ruiguang Thermal Power Co., Ltd | 2016 | DN900～DN150 |
| Pingliang Gansu Red Sun Thermal Power Co., Ltd | 2017 | DN1200～DN400 |
Guizhou
| User Name in Guizhou Region | Usage time | Nominal diameter |
| Liupanshui Central Heating Co., Ltd | 2012 | DN800~DN600 |
Qinghai
| User name in Qinghai region | Usage time | Nominal diameter |
| Golmud Heating Company | 2015 | DN600～DN200 |
Xinjiang
| User name in Xinjiang region | Usage time | Nominal diameter |
| Aksu Sunshine Heating Co., Ltd | 2015 | DN1000～DN200 |
| Aksu Sunshine Heating Co., Ltd | 2016 | DN1000～DN350 |
| Xinjiang Tianfu Energy Co., Ltd | 2017 | DN1400 |