1. Sign the decoration contract carefully.
Some consumers are more casual when signing a contract with a decoration company. They do not look carefully at the terms of the contract. They do not specify the terms of the contract, and the vague terms are not asked so clearly that it is difficult to determine the responsibility when a complaint is made. In this regard, consumers must pay attention to signing the contract, will use the material specific brand, model, decoration completion date, etc. in the contract, to prevent the decoration company shoddy, delay the duration and so on. (Key Index: ★★★★★)
2, the decoration prices are pretty good.
Many consumers are worried that prices will have an impact on the quality of decoration. They are afraid that the decoration company will be involved in the construction process and will not carefully check the decoration offer. In this regard, consumers must be combined with their own actual income before the renovation, the decoration price is pretty good. At the same time make some understanding of the materials used, choose to compare the company's decoration offer. Attention should also be paid to the proposal of additional investment proposed by the decoration company in the decoration process, and it should not be easy to change the contents of the decoration items and materials. (Key Index: ★★★)
3, choose a good decoration of raw materials.
In the renovation, we must choose building materials that meet national standards and environmental protection, and try to avoid buying into the roadside shops. We must insist on the inspection of raw materials purchased by the decoration company, check the purchase details, and save the purchase certificate. It is easy to query when problems arise. (Key Index: ★★★★)
4, regular acceptance of construction quality.
Poor construction quality is often prone to toilet seepage, latex paint bulging, buried pipelines do not meet industry standards. Therefore, when choosing a home improvement company, consumers must not only make a detailed understanding of the technical level and service quality of the decoration company, but also understand the integrity of the decoration company, and confirm whether the decoration company has a legitimate business license and the required construction. Decoration engineering construction qualification certificate. (Key Index: ★★★★)
5, after sales service can not be ignored.
The most prominent problem is that there is a problem during the warranty period. The decoration company intentionally delays the time or uses various excuses for maintenance. Therefore, when signing a contract, consumers should specify the warranty period and installment payment method in the contract, so as to prevent the decoration company from leaving the risks to consumers. (Key Index: ★★★)
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Windows are desiged for use in optical systems to separate two enviroments while passing a particular spectral range between them.Applications include laser set-ups (e.g.at Brewster's angle),emitter,detector protection devices, such as in sepctrophotometers and imaging systems.
China Star Optics offers all types of windows made from different materials. Such as N-BK7, Fused silica, sapphire,CaF2, Silicon, Borofloat, high borosilicate glass and other optical glass supplied by Schott and Chinese CDGM are available upon request. Windows at shape of round,quadrate, triangular or other polygonal are also available upon request.In addition, we provide a variety of single layer or multiplayer anti-reflecting coating,HR,PR coatings on Optical Windows.
Specification of our optical windows as follow:
*Material:high borosilicate glass, BK7,UV-grade fused silica (JGS1) or other optical crystals materials
*Length tolerance:+/-0.01
*Width tolerance:+/-0.01
*Center thickness tolerance:0.005mm
*Surface quality:80-50 to 10-5 Scratch/Dig
*Surface flatness:<lambda to lambda/20
*Parallelism<=1min -- 2sec
*Clear Apenture:80% -- 100%
Infrared Window,Zinc Selenide Windows,Znse Wedged Window,Zinc Selenide Laser Window
China Star Optics Technology Co.,Ltd. , https://www.realpoooptics.com