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We will participate in:
Fastener Fair Budapest, Hungary, Sept 6-7, 2010
The 4th Fastener Trade Show, Guangzhou, China, Sept 8-10, 2010
M-Tech, Osaka, Japan, Oct 6-8, 2010
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| Shanghai Lianheng Metal Surface Treatment Co., Ltd. | | 
| Shanghai Lianheng Metal Surface Treatment Co., Ltd. is a professional supplier of surface treatment specializing in surface anti-corrosive treatment for auto parts, metal hardware, fasteners, electric appliance and aluminum profile.
Founded in 2000, our company is one of the members of China Surface Association. Our company always holds the idea of "Quality first, Customers first" which aims at providing customers with high quality products and services. And the main company’s products include common anti-corrosive treatment (stoving varnish), medium anti-corrosive treatment, top anti-corrosive treatment and Dacromet.
Our company is located at Qingpu Industrial Area, which enjoys the convenient transportation and has quality’s assurance. We have done metal surface anti-corrosive treatment for many fastener companies, such as Japan NSK Co., Ltd., Japan Fuji Metal Co., Ltd. and other companies from Taiwan, Shanghai, Jiangsu and Zhejiang. The company earns the trust from clients for its reliable product quality.
Warmly welcome your inquiry! We believe that our company will be your most trusted partner.
The introduction of the products:
1) Common anti-corrosive treatment series (stoving varnish)
It’s a common technique of anti-corrosive treatment composing of two layers. And the first layer is the chemical coating which penetrating into the iron molecule; the second one is the sintered surface layer with corrosion resistance, which is 2-3 times better than the electro-galvanized corrosion resistance.
Application scope: metal hardware, fasteners, mechanical parts, metal chains, all kinds of screws, nuts, metal nails, etc.
Advantages: competitive prices; different colors, products which can last 180-220 hours in a salt spray test.
Performance Testing:
Adhesion (100 cells): Grade 1
Pencil hardness: 2-3h;
The Impact CM?KG: 50
Neutral salt spray time: 80-120h
2) Medium anti-corrosive treatment series
It’s a senior technique of anti-corrosive treatment with excellent corrosion resistance, It’s made of 3 layers: the first one is the metal galvanized layer; the second one is special resin coating layer and the third one is the surface sintering layer with good corrosion resistance.
Application scope: fasteners, hardware, metal nails, accessories used in construction, decoration, auto and household electric appliance, which are required stronger corrosion resistance
Advantages: good corrosion resistance and the neutral salt spray testing time is RU1-500h, RU2-720h?different colors: the common colors include silver grey, blue and dark; good comprehensive anti-corrosive performance
Performance Testing:
Adhesion (100 cells): Grade 1
Pencil hardness: 4-5h;
The Impact CM KG: 50
Neutral salt spray time: RU1-500h?RU2-720h
3) Top anti-corrosive treatment series
It’s a special anti-corrosive treatment with a higher rate than the a higher rate than Medium anti-corrosive treatment, composing of two anti-corrosive layers. The first one is the zinc nickel coating and the second one is the special coating thin COSMA. It has excellent corrosion resistance.
Application scope: auto parts and the electronic parts
Advantages: the excellent corrosion resistance, the neutral salt spray testing time is above RU1-1000h, RU2-720h?ultra-thin, thin coating; environmental style, without chrome, acid and other hazardous substances.
Performance Testing:
Adhesion (100 cells): Grade 1
Pencil hardness: 2-3h;
The Impact CM?KG: 50
Neutral salt spray time: above QUI-1000 h?aboveQ U2-1500h
4) Environmental Dacromet
It’s a special surface treatment of new technology, namely, forming zinc-chromium coating on the subjects with a new anti-rust technology. It has high corrosion resistance. And the Salt spray test time can reach more than 1000h.
Application scope: fasteners for special use, auto parts
Advantages: Superior corrosion resistance; neutral salt spray testing time is over 1000 hours; high heat resistance; no hydrogen embrittlement; good recoated ability; no environmental pollution.
5) Head stoving varnish
To head paint the fasteners with special use, making the fasteners consistent with the appliance, furniture, the main instruments for a integrated aesthetic
Application scope: Household electric appliances, furniture, instruments, decorations, etc.
Advantages: low cost, various colors; enhancing the corrosion resistance to extend the span of the products; no pollution for using the environmental paint.
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Main Products The Most Competitive Products Different levels of surface treatment, including common anti-corrosive treatment, medium anti-corrosive treatment, top anti-corrosive treatment and Dacromet, which can make the products last in a neutral salt spray between 100 to 1000 hours.We also carry on the anti-corrosive processing project of Honda Accord’s bushing of bearing wheel band.
| Anti-corrosive surface treatment with fasteners | | Show Room | Contact Us |
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