In the market, the elephants have risen by 0.5-0.8 yuan on November 8 respectively. Yilida has risen by 0.4-0.6 yuan on November 15 and the double sheep has risen by 0.6-1 yuan. . In addition, although Weiyuan, Chuanghui, Jinliwei, and Squatter have not raised prices, they all said they will raise prices before December. Saint-Gobain Norton also said that the product line of resin grinding wheel is currently rising, and the company is also discussing whether to increase the price, and does not rule out other ways to reduce costs to reduce pressure. Ersha Shenzhen has no plans to raise prices recently, but said that the pressure is also great.
It is reported that the reason for the price increase of the resin cutting sheet is the increase in the production cost brought by the increase in the price of the abrasive to the cutting sheet production enterprise. In addition, inflation has led to an overall increase in prices. Shenzhen Telco said: "All the raw materials are added together, the current production cost has increased by nearly 50%, the price increase is affirmative, and businessmen can't make a loss of the sale. And the company's market is mainly in the foreign trade field. The impact of exchange rates on products is also very large."
Piston rings are manufactured and classified on the basis of function and usability. The primary usage of the Piston Ring is to seal the chamber (where the piston is moving), which can be a combustion chamber of a 2 stroke or a 4 stroke engine. Marine engines have three or more types of rings fitted on the circumference of the piston.
The piston ring is an essential piston part, and its numbers and functionality differ depending on the type and capacity of the engine.
In 2-stroke large engines, compression type piston rings are used to seal the combustion chamber and wiper rings are installed below them to wipe the deposits from the liner and distribute oil on the liner surface.
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