On the morning of October 26th, 2013, the 2nd World Zheshang Conference was held in the Great Hall of the People with the theme of “Entrepreneurship, Innovation, and the Worldâ€. The representatives of Zhejiang and for.......
Ruby is a beautiful, transparent gem-quality corundum. Ruby means "king of gems". In China, red symbolizes many meanings. On holidays, it is a good "good product" for friends and relatives. The legendary red treasure is the most precious of the .......
"The charm of life is not what you wear, but how to wear it, you can't buy charm, and you can't disguise charm." So what on the streets of winter will you show your fashion charm? The international superstar â.......
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With the development of the economy, the prosperity of the jewelry industry and the advancement of modern processing technology, natural crystal jewelry crafts have been favored and loved by more and more consumers, becoming the most powerful gemstone of the jewelr.......
Inclined thread turning tool straight-through thread turning tool 6) There are constant type (ap1=ap2==apn) and decreasing type (ap1>ap2>>apn). Whether the ap value is correct or not is directly related to whether the thread is qualified, and the choice of the amount of back-feed.......