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Guangzhou Dongsu Petroleum D&E Equipment Co., Ltd has been established since 1958. Nowadays, Dongsu has developed one of the most professional and largest manufacturers of BOP control systems in China. Currently, Dongsu has more than 150 sets of high - precision professional processing and machining equipment. More than 500 sets of measuring instruments and inspection equipment. Top design and development team, more than 150 colleagues of professional manufacturing, installation, inspection and service engineers and senior technicians. There are more than 26,000㎡of production area, 5000㎡of Inspection and Training Service Center and 4800㎡of spare parts and materials warehouse. The BOP control systems manufactured by Dongsu covering pneumatic control, electro-pneumatic control, wireless control and intelligent integrated control with more than 100 models. The high pressure test units manufactured by Dongsu the pressure ranges of them (5 grades) cover from 5000Psi to 36000Psi. Four ways of remote control with pneumatic control, electric control, electro-pneumatic control, wireless control, relevant recorder could be selection. The engineering and technical services had been provided by Dongsu for Qinghai and Tuha Drilling Company of CNPC XIBU Drilling and Engineering Co., Ltd, Dongsu produced pressure inspection and monitoring systems for well control equipment and vehicle mounted high pressure test units, both have gained the trust and support of users at home and abroad. Choke and Kill Control Panel is the latest research and development product by Dongsu with API Spec. 16C license and two national patent certificates, which has been listed in the line of qualified well control equipment by CNOOC and SINOPEC. The following new products were registered as 4 national innovation patents. HY Series Explosion-Proof Oil Return Devices, LYJ Series Explosion-Proof Filter Oil Devices, High Efficiency and Energy-Saving Pressure Detection System, Water-Based Hydraulic Fluid BOP Control System. In order to improve well control safety, Dongsu develops and promotes wireless control products, intelligent integrated control BOP control system, “One-key” emergency shut-in system, electric control anti-lift safety system, constant flow injection control system and other equipment. Dongsu has obtained more than 40 national patents registration certificates and 12 computer software registration certificates up to now. Dongsu adheres to the continual improvement and effective administration of industry standards and QMS: Five management system certificates: ISO9001:2015, API Spec. Q1, API Spec. Q2, Environmental Management System, Occupational Health and Safety Management System and Intellectual Property Management System. Two product certificates: API Spec. 16D, API Spec.16C. In 2017, Dongsu established Well Control Equipment M.I.T.E.S Center. All-dimensional expansion for well control equipment inspection service, engineering & technical service and training service. Dongsu has obtained well control equipment maintenance qualification of CNOOC, Zhongyuan Petroleum Engineering Co. Ltd. of SINOPEC and XIBU Drilling and Engineering Co., Ltd of CNPC, and more than 100 overseas well control equipment regular inspection service projects had been obtained up to now. The service network has been increasing continuously. Product sales and service cover all oil fields of CNPC, SINOPEC and CNOOC in China. More than 6000 sets of the well control equipment by Dongsu has been sold in global drilling market. Dongsu will always pursue innovative research and development and explore the rose future perspectives constantly.