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Established in 2001, Puyang Zhong Yuan Restar Petroleum Equipment Co.,Ltd, “RSD” for short, is Henan’s high-tech enterprise with intellectual property advantages and independent legal person qualification. With registered capital of RMB 50 million, the Company has two subsidiaries-Henan Restar Separation Equipment Technology Co., Ltd We are mainly specialized in R&D, production and service of various intelligent separation and control systems in oil&gas drilling,engineering environmental protection and mining industries.We always take the lead in Chinese market shares of drilling fluid shale shaker for many years. Our products have been exported more than 20 countries and always extensively praised by customers. We are Class I network supplier of Sinopec,CNPC and CNOOC and registered supplier of ONGC, OIL India,KOC. High quality and international standard products make us gain many Large-scale drilling fluids recycling systems for Saudi Aramco and Gazprom projects.

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Influence of wastewater from a high Arsenic coal mine on ...
Influence of wastewater from a high Arsenic coal mine on ...

Epikarst water,, one of the important water resources in the karst areas, is typically sensitive. Therefore, it is very important to study the influence of ,acid mine, drainage (AMD) on quality of ,epikarst water,. A high Arsenic coal mining area in Jiaole, Xingren County, was chosen to primarily study the effects of ,wastewater, from a high...

Advances in Seeded Ambient Temperature Ferrite Formation ...
Advances in Seeded Ambient Temperature Ferrite Formation ...

An effective way to treat the iron-rich ,acid mine, drainage from coal mining ,in Guizhou,’s mountainous areas. Journal of Mountain Science 2020, 17 (6) , 1345-1359. https://doi.org/10.1007/s11629-020-5998-2

Heavy metal pollution and human health risk assessment at ...
Heavy metal pollution and human health risk assessment at ...

The Wanshan district of Guizhou Province has a long history of mercury mining and smelting. Previous studies have been carried out on heavy metal (HM) pollution in the soil around Wanshan (such as in urban and farmland areas), but these studies have not been conducted at mercury smelting sites.

Degradation pathway and microbial mechanism of high ...
Degradation pathway and microbial mechanism of high ...

sulfur-containing cyanide ,wastewater, treatment. aCollege of Resources and Environmental Engineering, ,Guizhou, University, Guiyang, ,Guizhou,, 550025, China. E-mail: ycli3@gzu.edu.cn bGuizhou Jinfeng Gold ,Mine, Limited, Qianxinan Buyi and Miao Autonomous Prefecture, Qianxinan, ,Guizhou,, 550025, …

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Road West, North Branch, Jingkai Road, Puyang City