Welcome to the company ! we have many years of professional experience !
rsdgj@pyzyrsd.com +86 13525609655

manufacturer liquid polyurethane products

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.

Certificate of Honor

CONTACT US

Customer satisfaction is our first goal!

Phone

+86 13525609655

E-Mail

rsdgj@pyzyrsd.com

Address

Road West, North Branch, Jingkai Road, Puyang City

manufacturer liquid polyurethane products
New Tools for Back Support - E & MJ -Engineering & Mining ...
New Tools for Back Support - E & MJ -Engineering & Mining ...

“Many large North American mines install bolts and ,screen mesh, only, while their peers in Australia, operating in similar geology at a similar depth, are using 100% shotcrete,” Erismann said. “The Australian mines are used to yielding shotcrete. They put it up fast and efficiently.

20 Mining support ideas | supportive mining steel
20 Mining support ideas | supportive mining steel

U shaped steel ,mining support, specification: unit weight: 36kg/m material: 20MnK composition: top beam ,2 supports, 4 arch clamps, 2 foot supports Our main Products: Steel rail, Fishplate,Mine supporting structure,Embedded part,Pallet, Bolt,U shaped steel Clamp,Shape cutting,Flange,Pallet, Karan,ODM,OEM and …

Petropedia - What is Shale Shaker Screen? - Definition ...
Petropedia - What is Shale Shaker Screen? - Definition ...

The specification of a ,shale shaker screen, varies as per the ,mesh, size and the ,mesh, size is designed as per the various API ,screen, number specifications. For example, ,mesh, size >7801.0 TO 925.0 microns is designed as per API 20 and ,mesh, size > 550.0 TO 655.0 microns is designed as per API 30 and so on.

RM CS post-screens - RUBBLE MASTER
RM CS post-screens - RUBBLE MASTER

All the screens are powerful and process grain from recycling and natural rock as well as round grain to standardised grain sizes. Depending on the type of ,screen, and crusher, between two and four fractions can be produced in a single pass. Like all RM products, the post screens in the CS series stand out thanks to their low maintenance requirement ...

RM CS post-screens - RUBBLE MASTER
RM CS post-screens - RUBBLE MASTER

All the screens are powerful and process grain from recycling and natural rock as well as round grain to standardised grain sizes. Depending on the type of ,screen, and crusher, between two and four fractions can be produced in a single pass. Like all RM products, the post screens in the CS series stand out thanks to their low maintenance requirement ...

Interstage Screen CIP / CIL Interstage Screening Manufacturer
Interstage Screen CIP / CIL Interstage Screening Manufacturer

CIP and CIL Interstage ,Screen,, Intertank ,Screen, for Gold Mine. Our interstage ,screen, can maximize the recovery of gold and silver. Maximum diameter: 2100mm Maximum length: 4000mm. We Provide Customized and Design Services For Wedge Wire ,Intertank Screen Assemblies,(wedge wire basket). Wedge Wire Cylinder Screens For CIP And CIL Tanks.

A Guide on Choosing Screen Type and Size - OreFlow
A Guide on Choosing Screen Type and Size - OreFlow

31/5/2019, · Here are a couple of things worth considering to determine the correct ,screen, size for your specific application: ,Screen, openings. The opening of a screening surface is crucial to the overall efficiency of separating materials. You have to consider the nominal size of the screening ,mesh, along with the effective size of the ,mesh, itself.

6 shocking old mining safety practices - MySafetySign Blog
6 shocking old mining safety practices - MySafetySign Blog

Eventually, ,mining, safety lamps such as the Davy lamp were developed. They provided a flame enclosed in a ,mesh screen, which could not ignite methane and other flammable gases but could signal their presence (by glowing brighter) or indicate low oxygen (by dimming). 4) Rock dusting.

20 Mining support ideas | supportive mining steel
20 Mining support ideas | supportive mining steel

U shaped steel ,mining support, specification: unit weight: 36kg/m material: 20MnK composition: top beam ,2 supports, 4 arch clamps, 2 foot supports Our main Products: Steel rail, Fishplate,Mine supporting structure,Embedded part,Pallet, Bolt,U shaped steel Clamp,Shape cutting,Flange,Pallet, Karan,ODM,OEM and …

How many types of shaker screens? | H-Screening
How many types of shaker screens? | H-Screening

Metal-Framed ,Screen VS, Composite ,Screen, Frame screens are usually Metal framed ,screen, is widely used and accepted by the industry. Since M-I Swaco develops DURAFLO composite screens in 1998, some drilling contractors prefer to use this new ,screen, as …

6 shocking old mining safety practices - MySafetySign Blog
6 shocking old mining safety practices - MySafetySign Blog

Eventually, ,mining, safety lamps such as the Davy lamp were developed. They provided a flame enclosed in a ,mesh screen, which could not ignite methane and other flammable gases but could signal their presence (by glowing brighter) or indicate low oxygen (by dimming). 4) Rock dusting.

Dust Control on Continuous Mining Machines
Dust Control on Continuous Mining Machines

Screen, slows velocity of dust allowing the spray water and dust to mix • Screens only “filter” large particles • ,Screen, set at angle to increase turbulence and increase overall ,screen, surface area • Woven steel ,mesh, (.0035” wire) • Pleated • Layers (folded “sock” of ,mesh,) – 10 layer (course) – 20 layer (standard) – 30 layer (fine) •

» Classification of Material in Sluicing
» Classification of Material in Sluicing

Half-inch ,mesh screen, is commonly used for primary classification in small and medium-sized sluicing operations, because the ,screen, is large enough to allow classification to take place quickly, yet no materials greater than half-inch in size will get into the ,sluice,.

Petropedia - What is Shale Shaker Screen? - Definition ...
Petropedia - What is Shale Shaker Screen? - Definition ...

The specification of a ,shale shaker screen, varies as per the ,mesh, size and the ,mesh, size is designed as per the various API ,screen, number specifications. For example, ,mesh, size >7801.0 TO 925.0 microns is designed as per API 20 and ,mesh, size > 550.0 TO 655.0 microns is designed as per API 30 and so on.

Petropedia - What is Shale Shaker Screen? - Definition ...
Petropedia - What is Shale Shaker Screen? - Definition ...

The specification of a ,shale shaker screen, varies as per the ,mesh, size and the ,mesh, size is designed as per the various API ,screen, number specifications. For example, ,mesh, size >7801.0 TO 925.0 microns is designed as per API 20 and ,mesh, size > 550.0 TO 655.0 microns is designed as per API 30 and so on.

» Classification of Material in Sluicing
» Classification of Material in Sluicing

Half-inch ,mesh screen, is commonly used for primary classification in small and medium-sized sluicing operations, because the ,screen, is large enough to allow classification to take place quickly, yet no materials greater than half-inch in size will get into the ,sluice,.

Underground mining (hard rock) - Wikipedia
Underground mining (hard rock) - Wikipedia

Underground hard rock ,mining, refers to various ,underground mining, techniques used to excavate hard minerals, usually those containing metals such as ore containing gold, silver, iron, copper, zinc, nickel, tin and lead, but also involves using the same techniques for excavating ores of gems such as diamonds or rubies. Soft rock ,mining, refers to excavation of softer minerals such as salt, coal, or oil sands. A three …

Chat Online Inquiry Email

Business cooperation

+86 13525609655

Company address

Road West, North Branch, Jingkai Road, Puyang City