Latest Square Mechanical Wire Polished Stainless Steel Jewelry Clasp Fashion Jewelry Findings

Love Major Recommend Meaningfull word: 

          I was born with an enormous need for affection, and a terrible need to give it.-Audrey Hepburn

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1) Custom Order based on idea, design, draft, picture and samples.

2) Purchase Order placed according to our displayed product

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5) 24 hours reply on working days

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       Yiwu Major E-Commerce Firm is newly established on 4th March 2015, which is engaged in wholesale and retail of jewelry online. Although the Firm is new, it is built with a group of people who have a lot of value experience about international business. The founder of the Firm, Mark Lee, has been working in this field for more than 6 years.

      At the beginning, the firm will focus on stainless steel jewelry, which is most popular. Stainless steel is healthy and environmentally friendly, since it was used for jewelry making, it has become the most well-received jewelry for decades.

Our product includes high quality necklaces, pendants, bracelets, bangles, rings and so on. There are also jewelry accessories for jewelry DIY. Welcome customers from all over the world to purchase our products. More and more products will be uploaded and displayed on our website. Meanwhile, the firm accepts orders based on idea, design, draft, picture and samples. All kinds of consults will be carefully handled.

       The firm name, Major, means that we will focus on what we are doing and make all the best to take care of all our customers and orders seriously. To make service as carefully as to learn a major. Meanwhile, our Chinese name “MEIZHE”, which means people who is attractive, pronounced the same as the Major. We wish to make friends with all the attractive customers and hoping our product can make all the customers become more attractive. Besides, as a major, we will perform what we were told to do and strictly control product quality to follow your order.

        We promise that your inquiry will be replied within 24 hours after we receive, so please do not hesitate, you will never regret to start business with us.

        We are happy to say that we have got many supports from customers all over the world in 2015.Now A brand new 2016 embrace us warmly,let's carry on,to make more bright future.Thanks.

1, What is Stainless Steel?

        In metallurgy, stainless steel, also known as inox steel or inox from French "inoxydable", is a steel alloy with a minimum of 10.5% chromium content by mass.

        Stainless steel does not readily corrode, rust or stain with water as ordinary steel does.

Stainless steel’s resistance to corrosion and staining, low maintenance and familiar lustre make it an ideal material for many applications.

        There are over 150 grades of stainless steel, of which fifteen are most commonly used. The alloy is milled into coils, sheets, plates, bars, wire, and tubing to be used in cookware, cutlery, household hardware, surgical instruments, major appliances, industrial equipment (for example, in sugar refineries) and as an automotive and aerospace structural alloy and construction material in large buildings. Storage tanks and tankers used to transport orange juice and other food are often made of stainless steel, because of its corrosion resistance. This also influences its use in commercial kitchens and food processing plants, as it can be steam-cleaned and sterilized and does not need paint or other surface finishes.

Source link: http://en.wikipedia.org/wiki/Stainless_steel 

2, Why USE Stainless Steel?

       Stainless steel is used for jewelry and watches with 316L being the type commonly used for such applications. It can be re-finished by any jeweler and will not oxidize or turn black.

       300 Series—the most widely used austenite steel is the 304, also known as 18/8 for its composition of 18% chromium and 8% nickel. 304 may be referred to as A2 stainless (not to be confused with A2 grade steel, also named Tool steel, a steel). The second most common austenite steel is the 316 grade, also called marine grade stainless, used primarily for its increased resistance to corrosion. A typical composition of 18% chromium and 10% nickel, commonly known as 18/10 stainless, is often used in cutlery and high-quality cookware. 18/0 is also available.

Low-carbon versions, for example 316L or 304L, are used to avoid corrosion problems caused by welding.

3, What is PVD plating?

        PVD coating is a vacuum deposition process that has received increasing use in recent years and is no longer seen as a laboratory process. It has been scaled up to handle large complex part geometries at an affordable cost. Many companies have realized benefits from converting their product from electroplating to PVD coating. Coatings can be deposited from room temperature to as high as 500 degrees Celsius depending on the substrate and the application.

The PVD process provides a more uniform deposit, improved adhesion up to six times greater in some cases, wider choice of materials to be deposited and there are no harmful chemicals to dispose of. Because PVD coating is more environmentally friendly and chemical disposal costs are minimal, the cost of PVD coating and electroplating is very close on some products.

When product is PVD coated it is placed in a fixture and placed in the vacuum vessel. The unit is pumped down to the desired vacuum pressure. Depending on the substrate and the process used the product will be preheated and sputter cleaned. After the sputter cleaning is complete, a negative charge is applied to the cathode material and, if the substrate is conductive, a negative bias is applied to the substrate. The material being deposited arrives at the substrate at a high energy level and will travel along the substrate surface until it reaches a preferred nucleation site. The continuous bombardment of ions from the source sputters the depositing material so you do not receive the large edge build-ups that are common with electroplated coatings.

      Source link: http://www.northeastcoating.com/products/pvd-coating/pvd-vs-electroplating

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