Product Specifications :

Standard glass insulator, Anti-Fog/Anti-Pollution glass insulator, Aerodynamic glass insulator all could be supplied in our company, if you have any demand for them, pls contact us freely.

Name: 210kN Zinc Sleeve Toughened Glass Insulator for 500kV Voltage

Glass Insulator Assembling:


Workshop & Producing Line:

In order to control the quality and improve producing efficiency, we have bought the modern producing line instead of handwork.
Firstly, it can improve the producing capability. What's more, can reduce the employee's workload.



Quality Control--glass insulator:

We have the complete quality control system. The control is from raw material, producing process to the finished product.
And the quality control include the chemical composition, mechanical load, metallographic analysis, detection of defects, dimension.

Type Test--glass insulator: 
1. Dry lightning impulse withstand voltage test 
2. Wet power frequency withstand voltage test
3. Mechanical load test
4. Puncture withstand test
5. Verification of dimensions
6. Electromechanical failing load
7. Thermal-mechanical test
8. Verification of the displacements
9. Electric arc test

Routine test--glass insulator:
1. Visual Examination
2. Mechanical Routine Test
3. Electrical routine test
4. Thermal shock routine test


Package & Transport:

6 Pcs glass insulators in one plywood box or as customer request.
Solid seaworthy packing could avoid any damage in the transport.


Company Profile:

QINGDAO COSINE Electrical Equipment specializes in supplying various kinds of insulator and pole line hardware. With high speed of power construction in China and oversea country, QINGDAO COSINE has grown into a leader of exporting of insulator in China.

Products Range:

Insulator Range:
(1)10KV-500KV Polymer Insulator,
(2)40KN-420KN Porcelain Insulator
(3)40KN-530KN Toughened Glass Insulator
(4)Various kinds' Pole Line Hardware

Fitting and Material Range:
(1) forged-steel metal fitting
(2) casting steel metal fitting
(3) ducitle cast iron metal fitting
(4) Aluminum fitting
(5) copper fitting
(6) stainless steel fitting
(7) stamping Steel Fitting

The above fitting will be used in polymer insualtor, drop fust-cut, cermaic and glass insulator, line hardware, etc.

Our ISO9001 Certificate:



>>> FAQ: 

Q1. What's the payment term ?  
A. T/T and L/C is acceptable and TT will be more appreciated. 30% deposit, 70% balance against B/L copy.
Or 100% irrevocable LC at sight. 

Q2. How to buy your ideal products?
A. You can provide us with your drawings with specifications, we will produce as per your drawing.
Or we can design as your requirements if you do not have a clear plan.
 
Q3. What is your Packing/Package ?
A. Standard export packing or Customized packing as your request.
 
Q4. Would you accept to use our logo ?
A.  OEM/ODM can be acceptable.
 
Q5. What kind of certificate you have ?
A. Our company already achieve ISO9001 certificates and we have test reports.

Q6. What else can I do for you?
A. Our salesmen will reply your inquiry within 24 hours. We can give you any support on the technique & other aspects. 


Looking forward to your valeud inquiry!
You could leave a message at the bottom of this page. The best price will be offered in 24h!