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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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+86 513525609655

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rsdzd@pyzyrsd.com

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Road West, North Branch, Jingkai Road, Puyang City

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Saltwater Filtration question? do I need a Powerhead ...
Saltwater Filtration question? do I need a Powerhead ...

3/1/2010, · As we know, that salt water carries less ,oxygen,. And the things in your tank need lots of ,oxygen, to work efficiently, even live rock and filter bacteria as well as your inverts and fish. You may get away ,with out, one, I don't take the risk, as I like to know there is plenty of ,oxygen, in then water, and good water movement through out the tank.

How to Make Charcoal Briquettes: Ingredients and ...
How to Make Charcoal Briquettes: Ingredients and ...

19/2/2019, · Charcoal is a material ,without, plasticity, and charcoal dust cannot hold shape ,without, adding a binding material. The best binder has proven to be starch. Any starch will ,do,, but cassava is preferred. Cassava starch is preferred because cassava tuber and chips are very cheap. The tubers are as good as starch due to high starch content.

I'm moving 1700 miles (25 hour drive non-stop) and want to ...
I'm moving 1700 miles (25 hour drive non-stop) and want to ...

9/10/2006, · Ask your local pet shop, what they generally ,do, is put them in a carry bag and fill it with ,oxygen, and seal the mouth of the bag, the fish will last for about 36 hrs and are easy to carry as you can put the bag in a container.

Cuyahoga River - Wikipedia
Cuyahoga River - Wikipedia

The ,Cuyahoga River, (/ ˌ k aɪ. ə ˈ h ɒ ɡ ə / KY-ə-HOG-ə, or / ˌ k aɪ. ə ˈ h oʊ ɡ ə / KY-ə-HOH-gə) is a river in the United States, located in Northeast Ohio, that bisects the city of Cleveland and feeds into Lake Erie.. As Cleveland emerged as a major center for manufacturing, the river became heavily affected by industrial pollution, so much so that it "caught fire" at least ...

Tilapia farming guide - Understanding the five needs of ...
Tilapia farming guide - Understanding the five needs of ...

Nile ,tilapia, need water with a ,dissolved oxygen, content above three parts per million (ppm) and Blue ,tilapia, need their ,oxygen, above seven ppm. In a pond with a biomass of one pound for every 3.74 gallons of water, surface aeration will normally keep the ,dissolved oxygen, level within a healthy range; even at 4:00 a.m. when the Diurnal change in ,dissolved oxygen, concentrations are at their lowest.

How Sandbeds REALLY Work - Reefkeeping.com
How Sandbeds REALLY Work - Reefkeeping.com

The slow water movement caused by the action of the upper ,sand, surface worms pumps water slowly through the lower anoxic regions of the ,sand, bed. Here, bacteria and chemistry combine to produce conditions that result in the precipitation of many toxic heavy metals such as …

Worms: Phyla Platyhelmintes Nematoda and Annelida ...
Worms: Phyla Platyhelmintes Nematoda and Annelida ...

Worms are invertebrate animals with bilateral symmetry. Worms have a definite anterior (,head,) end and a posterior (tail) end. The ventral surface of worms and other organisms is the bottom side of the body, often closest to the ground. The dorsal surface is located on the upper part of the body facing the sky. The lateral surfaces are found on the left and right sides of the body.

Things You Don't Want To Know About Hot Dogs
Things You Don't Want To Know About Hot Dogs

15/6/2020, · This has to ,do, with the myoglobin in meat turning red when bound to ,oxygen,. Over time, ,oxygen, "falls away" and the meat loses its red tint. Sodium nitrite, on the other hand, can bind to myoglobin in place of ,oxygen, and create this same "heme" that has a red hue.

Stormproof matches that burn even if they're dipped in ...
Stormproof matches that burn even if they're dipped in ...

The UCO Stormproof Matches are made using an incredibly tough coating that smoulders no matter what happens to them and will start burning again once they come into contact with ,oxygen,.

BIOLOGICAL FILTERS FOR AQUACULTURE
BIOLOGICAL FILTERS FOR AQUACULTURE

There are three ways to deal with thisproblem. The first is to remove most ofthe carbonaceous BOD (biological ,oxygen, demand) before the water enters thebiofilter. The second method is toprovide sufficient extra capacity (surface area) in the biofilter to allow allof the various bacteria to grow.

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+86 513525609655

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Road West, North Branch, Jingkai Road, Puyang City