In a recent interview with the reporter, a salesperson of a super-hard materials company said: "Ultra-hard materials and products will be used in the wafer cutting process. Due to the overall weakness of the photovoltaic industry, the diamond products produced by the company are in the photovoltaic industry. The sales situation has also been greatly affected, and even personal income has dropped sharply.†The above sales staff also said: “When the photovoltaic industry developed well, in Gongyi, many technicians of wafer cutting line companies resigned and went out. The factory purchased one or two machines and started to produce a few workers. The most prosperous time can earn 100,000 yuan a day, but now there is no order to do." The decline of the photovoltaic industry has been related to the industry It has had a profound impact. Looking back, let's see how the Chinese PV industry has stepped into this situation. The photovoltaic industry, once an emerging force in the field of new energy, has high hopes from governments at all levels, as well as enterprises and investors. Since the successful listing of Wuxi Suntech in the United States in 2005, under the huge wealth effect, domestic and foreign investors have swarmed up, expanded production capacity, expanded their territory, and both the insider and the layman want to get a cup in the fast-growing photovoltaic industry. soup. China's photovoltaic industry has rapidly surpassed Europe, the United States, Japan and South Korea, and once said "World PV sees China." However, the triumph of the photovoltaic industry has also plagued the crisis. The congenital shortage of raw materials and the market, the rapidly expanding capacity encountered the "ceiling" prematurely. Until 2012, Chinese PV companies finally fell into the biggest dilemma. The US "double opposition", the EU "double opposition", the slowdown in external demand, and the sluggish domestic demand have made photovoltaic companies suffer, and the industry-wide losses are a foregone conclusion. However, it is not difficult to see from the current status of the photovoltaic industry that although the entire photovoltaic industry is in trouble, there are very few companies that maintain profitability and steady development. This is because, in many industries, the production capacity is oversupply, but there are still many demand for enterprises that have core competitiveness and cost advantages, because market demand cannot be reduced to zero. Now the clothing is too much left? The stock is large, but it cannot be said that there is no demand for clothing. Therefore, as long as enterprises pay attention to the cultivation of technological innovation capabilities and persist in continuously exploring emerging markets, the development of enterprises can meet difficulties in adversity. “Overcapacity†is always a false proposition for companies that pursue both technology and market development.
Piston& Piston Ring
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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