Domestic senior company of YIWU BLUESTONE IMPORT quality A
1.Yiwu Bluestone Import And Export Corrorationis a company with YIWU BLUESTONE IMPORT the lowest price in the market,Yiwu layered necklacex2da4de5nandYiwu crystal brooches as the main business. We are committed to providing quality service of bowknot brooch company. Yiwu Bluestone Import And Export Corrorationwas established in 10 years ago, As a company with a high sense of social responsibility, BLUE STONEhas established a high reputation for superior quality and expertise in Yiwu brooch companyfield
2.Yiwu Bluestone Import And Export Corrorationis committed to the continuous improvement of theBLUESTONEservice, become a society, customers, shareholders and employees long-term trust of the company. Our Company adhering to pirit of for the sake of customers, and win-win with customers , and through BLUE STONE staff continuous innovation and development to provide first-class YIWU BLUESTONE IMPORT big brand,High quality materials YIWU BLUESTONE IMPORT,YIWU BLUESTONE IMPORT specialty,YIWU BLUESTONE IMPORT the approval for enterprises , is what we have been working for. Details: Sapphire is called Sapphire in English. It comes from Latin Spphins, meaning blue. It belongs to the corundum mineral and the three square crystal system. In the gem world, all kinds of gem grade jade called ruby are called sapphires. The mineral name of sapphire is corundum, belonging to corundum mineral. In fact, in addition to the ruby in the nature of gem-grade corundum, other colors such as blue, light blue, green, yellow, gray, colorless, etc., are called sapphire, or color sapphire, that is, before the sapphire added color name, such as pink sapphire. The chemical composition of sapphire (Al O O) is mainly Fe, Ti and coloration. Corundum contains trace elements such as iron (Fe) and titanium (Ti), and shows blue, sky blue, light blue and other colors, of which the Royal Blue and Cypress are the best. It is called "Starlight Sapphire" when it is Globoidal and contains three groups of inclusions that are parallel to and aligned directionally with the bottom and can produce beautiful six-shot stars.
Sapphire is composed of alumina, which is blue because of trace element titanium (Ti4+) or iron (Fe2+). It belongs to the trigonal system, and its crystal morphology is usually tubular, short columnar, plate, etc. The geometry is mostly granular or dense block. Transparent to translucent, glass luster. The refractive index is 1.76-1.77, the birefringence is 0.008, and the two color is strong. Heterogeneous plastids. Sometimes there is a special optical effect - the starlight effect. The hardness is 9, and the density is 3.95-4.1 grams / cubic centimeter. No cleavage and cleavage development.
3.With the rapid development of business simultaneously, BLUE STONE always keeps the balance between external opportunities and internal management, attaching great importance to the training and shaping of core competitiveness. The company will take customer service value as the core competitiveness of enterprises. Adhering to spirit of enterprise:acting with integrity , pursuit of excellence, respect for the individual , BLUE STONEstrives to provide customers with High quality materials kilt pin brooch. More details in the BLUE STONEofficial website: en.bluestone.net.cn
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Target City : Jinhua City
Last Update : 10 November 2018
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|Item Owner : Miss Ge|
Contact Phone: 13735646695
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