WASHINGTON Alshon Jeffery Jersey , May 10 (Xinhua) -- The U.S. Commerce Department on Wednesday launched anti-dumping duty and countervailing duty investigations against imports of cold-drawn mechanical tubing from China, Germany, India, Italy, the Republic of Korea and Switzerland.

The investigations are in response to a request from five U.S. steel tubular products manufacturers, the Commerce Department said in a statement.

They alleged that producers in each of these six countries were dumping cold-drawn mechanical tubing in the U.S. market with margins ranging from 12 percent to 209.06 percent.

They also claimed that the governments of China and India were providing improper subsidies to producers of cold-drawn mechanical tubing, the department said.

The U.S. International Trade Commission (ITC), another U.S. trade authority, is scheduled to make its preliminary inquiry determinations around June 5.

The probe will continue if the ITC determines that there is a reasonable indication that imports of cold-drawn mechanical tubing from these countries materially injure or threaten the domestic industry of the United States.

Cold-drawn mechanical tubing is a tubular product with a circular cross-sectional shape that has been cold-drawn or otherwise cold-finished in a manner that involves a change in the diameter or wall thickness of the tubing, the department said.

Last year, imports of cold-drawn mechanical tubing from China were estimated at about 29.4 million U.S. dollars, according to the department.

The Chinese Ministry of Commerce has kept urging Washington to abide by its commitment against protectionism and help maintain a free, open and just international trade environment.

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The Process of Industrial RO

Simply stated, reverse osmosis for manufacturing is a high-tech method for purifying or filtering water. Osmosis occurs when solutions or liquids that contain dissolved mineral concentrations move through a semi-permeable membrane. Water travels from the side where the water is cleaner, over to the dirtier or more mineral-contaminated side of the membrane wall.

But water purification engineers have figured out ways to perform an opposite action, through a method appropriately referred to as reverse osmosis or simply RO. During the industrial RO process, the water flows out of the high mineral concentration side and back across to the clean side. Dissolved minerals cannot pass through the membrane and are left behind, while the water that moves to the other side through industrial RO emerges clean and essentially mineral-free.

Practical Application of Industrial Reverse Osmosis

Because the RO process relies on few moving parts, it offers one of the most reliable and affordable ways to filter water. Oftentimes the main component is a pump. The real work is performed by ultrafine filtering membranes that have been specially designed to filter dissolved contaminants from industrial water.

Modern RO systems are not only cost-effective -- they are also incredibly powerful and reliable. Industrial reverse osmosis can remove salt from seawater, for example, at astonishing rates of millions of gallons per day. RO filtration is used in boiler feedwater treatment, to minimize mineral scaling and allow the boiler to operate at higher efficiencies by reducing the volume of hot water “blowdown” to waste. Industrial RO is frequently utilized to recover wastewater for recycle in industrial processes.

Benefits of Reverse Osmosis for Manufacturing Facilities

Many companies find that water purification is complicated and costly, and for them reverse osmosis for manufacturing purposes makes more sense when it is outsourced. Water experts can deliver a trailer-mounted RO system to the manufacturing site to help meet temporary, emergency or long term water treatment needs. Turnkey operation eliminates any involvement in operation or maintenance by manufacturing personnel.

Skilled water treatment engineers are trained in the science of filtration and utilize the latest technologies. They are also well-versed in current industry rules and regulations and can help manufacturing businesses avoid prohibitive penalties, facility shutdowns, and other potentially catastrophic outcomes.

Reverse osmosis filtration is in great demand because of the increasing expense and relative scarcity of water. But technological advances regarding reverse osmosis for manufacturing ensure that it is both conveniently accessible and easily manageable.

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