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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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Citric Acid Enhanced Copper Removal by a Novel Multi ...
Citric Acid Enhanced Copper Removal by a Novel Multi ...

12/5/2015, · Cu removal by a ,novel multi-amines decorated resin, (PAMD) from ,wastewater, in the absence or presence of citric ,acid, (CA) was examined. Adsorption capacity of Cu onto PAMD markedly increased by 186 ...

Wastewater treatment for tin plating
Wastewater treatment for tin plating

Wastewater treatment for tin plating, 1998. Q. I have a problem to treat ,waste water, from tin ,plating,. My ,plating, process is dip type ,plating, in a batch reactor (at 80°C.) using aluminium stannate & Potassium stannate. I have treated that ,waste water, with FeCl3 on base conditions (pH>7) but the result was not satisfactory.

Fukuura Industrial Wastewater Treatment Plant
Fukuura Industrial Wastewater Treatment Plant

The plant was constructed to treat the ,wastewater, from the new industrial estate. Its initial role was the common treatment facility for manufacturers. Then the plant became the public sewerage facility in April 1998.

SEMICONDUCTOR - HojinPlatech Co. Ltd.
SEMICONDUCTOR - HojinPlatech Co. Ltd.

Characteristics,: ,Copper,, ,Copper plating,, and Alloy42 Activator: SupraEtch PS-35: Uniform etching; Excellent removal of ,copper, oxidized layer; Easy control of etching rate and excellent adhesion with ,plating, layer; Excellent ,wastewater, treatment and operation safety: fluoride-free; Excellent operation safety on Alloy-42 material ,Copper, alloy ...

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+86 513525609655

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Road West, North Branch, Jingkai Road, Puyang City