BK7 Plano-concave Cylindrical Lenses
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Our company can produce a variety of specifications, radius, different base material of flat convex cylindrical mirror, flat concave cylindrical mirror, double convex cylindrical mirror, double concave cylindrical mirror, crescent cylindrical mirror and other ordinary cylindrical mirror.
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The Owner’s Additional Fees for Collecting and Receiving Cards indicates that for the Smart Access Control System that was signed after the implementation of the "Guangdong Provincial Price Bureau's New Code of Conduct for Transacting Prices of Commodity Houses," and the contract for the sale and purchase of commercial houses was established in accordance with the construction plan or the contract for the purchase and sale of commercial housing. The construction costs of hardware, network equipment and application software shall be included in the development and construction costs of new commercial housing; the daily management and maintenance costs shall be included in the property service fee.
In addition, with reference to the statistical data on the population and household registration in Guangzhou for the past three years, it is proposed that each household owner should have free distribution of no less than four access control cards. The specific distribution quantity may be agreed upon by the real estate company or the real estate service enterprise according to the specific conditions of the community to ensure the basic needs of each household.
For the owner who has purchased the access control card due to loss, damage or purchase, or needs to purchase additional access cards in addition to the amount of free delivery, the property service company should provide relevant services, but can collect the fee for the access control card. The charging standards may be negotiated by the realty service enterprise and the owner in accordance with the reasonable costs such as production materials and personnel costs and other market factors such as production quantity scale, process technology, and so on.
The house-buy card purchase fee does not exceed the authority and function division of the owner of the access control card for the owner and family members, regular residents, and housekeeping practitioners. For the access control card used by persons other than the owner, if the production cost is not significantly different, the cost of the work should not be Higher than average owner's access card. For owners who purchase second-hand housing, the access control card they obtain from the transferor, if they only need to change the owner's electronic information, and can be conveniently managed and used without re-production, the property service company should replace the owner's information for free. It is mandatory to purchase another card.
The new configuration of the intelligent access control system for owners or the upgrading of the original access control system, the construction cost, upgrade costs, daily management and maintenance costs, as well as the fees for access control card fees should be determined by all the community owners in accordance with the law. And negotiate with property management companies or related units.
Special cylindrical mirror can also be processed, such as: achromatic cylindrical mirror, parabolic cylindrical mirror, cylindrical ellipsoid and hyperboloid cylindrical mirror, such as aspheric surface cylindrical mirror and cylindrical mirror group.
Materials: optical glasses such as flint glass, ultraviolet fused quartz and infrared fused quartz, as well as optical crystal materials such as calcium fluoride (CaF2), germanium (Ge), Zinc selenide (ZnSe) and silicon (Si)
Focal length: ±5mm -- ±1000mm±1%(TIROPTICS OPTOMATIC2000 test in Germany)
Length: 2 mm - 300 mm + / - 0.1 mm
Width: 2 mm - 150 mm + / - 0.1 mm
Center thickness tolerance: ±0.2mm
Center deviation: 3-5 points
Surface accuracy: /2
Surface quality: 60/40
Effective diameter: 90%
Plating film: according to customer requirements can be coated
In addition, we have more than a thousand kinds of standard products, and some of the standard products in stock to meet your needs
Municipal Price Bureau, State Land and Housing Bureau: The cost of the access control card shall be included in the property fee
The daily management and maintenance costs of the access control card shall be included in the property management fee, and each household owner shall provide no less than 4 pieces for free delivery. Recently, the Municipal Price Bureau and the National Land and Housing Bureau jointly issued a document to provide guidance on regulating the relevant charges for the community's smart access control system.