Puyang donghao mechanical & electronic Co.,Ltd

Donghao Company built strictly regulate quality management system,passed the quality management system certification of ISO9001：2000,ISO14001：2000 Environment management system certification,American Petroleum Institute API 11D1 Product Certificate,further standardize the enterprise management and product manufacturing,improved the enterprise's development and competitive ability,and conforming with the internationalization.
Donghao Company is with strong research and development ability, founded technology development research center led by Dr.. Meanwhile the company has established a wide range of contacts and cooperation with a number of research institutions and petroleum college,constantly developing related products with oil and gas exploitation. In recent years the company has developed various types of underground mining, production tools, horizontal fracturing tool,drilling and cementing tools and oil production auxiliary tool, also made a number of innovative achievements in the field of completion and has achieved more than 60 national patents. Complete sets of water treatment equipment and environmental protection products such as filling device, involving sulfur equipment, gas purification equipment, automatic filtering device, separator,and a variety of sedimentation tank pumping discharge device won the high-tech products in Henan province.
The products have been deep into the oil field, power plant, steel, coal, chemical and other fields, the national sales network has covered not only the large oil field all over China,but also the United States, Canada , Kazakhstan, Uzbekistan, Oman and other external market. The company has set up six offices in Beijing,Central Plain,Shengli, Sichuan,North of Shanxi,and Northeast China,to provide better service for customers.

Products:

	RTTS oil packer for water injection	RTTS packer Applicationandclassification PackerY221isusedforzonalinjection,oilextractionbylayer,waterexploration,plugging,squeezing,acidificationf...
	RTTS oil packer for water injection	RTTS packer Applicationandclassification PackerY221isusedforzonalinjection,oilextractionbylayer,waterexploration,plugging,squeezing,acidificationf...
	Y211 oilfield production packer	Y211packeriscomposedofanti-corrosionbarrelinhightemperatureandpressure,wholecentralpipe,frictioncommutatorandlowerjoint.Thesliphasbeentreatedbycarb...
	Y211 oilfield production packer	Y211packeriscomposedofanti-corrosionbarrelinhightemperatureandpressure,wholecentralpipe,frictioncommutatorandlowerjoint.Thesliphasbeentreatedbycarb...