In the past, Luancheng County had traditional technical advantages in diamond micropowder processing, but the company's layout was scattered, the product chain was short, the technical content was low, the added value of products was low, and the management concept and development potential could not be effectively exerted.
According to the industrial foundation, industrial reality and future development prospects, Yucheng County has determined the processing of diamond micropowder as a leading industry, focusing on the industrial chain of diamond micropowder processing, developing downstream processing products, increasing the added value of products, and promoting the group of diamond micropowder enterprises. Chemical, large-scale, scientific development.
There is such a set of figures enough to illustrate the current scale of the diamond micropowder industry in Yucheng County: there are more than 150 enterprises engaged in the processing and production of diamond micropowder products, with an annual output of 3.5 billion carats of diamond powder and more than 20,000 pieces of diamond grinding wheels. More than 20,000, the output value reached 1.2 billion yuan, foreign exchange earned 30 million US dollars, profits and taxes more than 100 million yuan, more than 12,000 surplus laborers, "small micro-powder" has developed into a large industry supporting the Yucheng County economy.
Xinyuan Superhard Materials Co., Ltd., located in the west industrial cluster of Yucheng County, was a small-scale product that produced low-end diamond micro-powder products with an annual output value of less than 20 million yuan. In recent years, the company has established a diamond and product engineering technology center through the "marriage" with Henan University of Technology, and developed high-tech products such as metal bond diamond grinding wheel, resin grinding wheel and ceramic grinding wheel. The annual output value has soared to over 100 million yuan. Become the "leading" of the county's diamond products industry.
Like Xinyuan Superhard, relying on technological innovation to “feather into a butterfly†and develop into a modern high-tech enterprise, there are also Hongxiang Superhard, Power New Materials Group, Huashang Pharmaceutical, Shen’an Electronics, Kunyu Bio, and Jie in Yucheng. There are more than 20 such as Long Bio, and there are more than 120 kinds of high-tech products.
In the first half of this year, the growth rate of industrial added value of the above-scale industries reached 35.2%, ranking first in the city. Among them, the proportion of the added value of high-tech industries reached 25%, and the contribution rate of science and technology to economic growth reached 50%.
There are five general body styles of ball Valves: single body, three-piece body, split body, top entry, and welded. The difference is based on how the pieces of the valve-especially the casing that contains the ball itself-are manufactured and assembled. The valve operation is the same in each case.
In addition, there are different styles related to the bore of the ball mechanism itself.
Ball valves in sizes up to 2 inch generally come in single piece, two or three piece designs. One piece ball valves are almost always reduced bore, are relatively inexpensive and generally are throw-away. Two piece ball valves are generally slightly reduced (or standard) bore, they can be either throw-away or repairable. The 3 piece design allows for the center part of the valve containing the ball, stem & seats to be easily removed from the pipeline. This facilitates efficient cleaning of deposited sediments, replacement of seats and gland packings, polishing out of small scratches on the ball, all this without removing the pipes from the valve body. The design concept of a three piece valve is for it to be repairable.
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