The Nanjing Doule Sinopec Hainan Port project, a subsidiary of Welle, has been successfully delivered, achieving large-scale and stable recovery of oil and gas under extreme conditions
Nanjing Doule Refrigeration Equipment Co., Ltd. (hereinafter referred to as "Nanjing Doule"), a subsidiary of Welle Group, has successfully delivered the project of adding oil and gas recovery equipment to the dock of Sinopec (Hong Kong) Hainan Petroleum Co., Ltd. The project has been successfully delivered and officially put into stable operation recently.