Residential Sectional Garage Door
A typical version of an overhead garage door used in the past would have been built as a one-piece panel.The panel was mounted on each side with unequal parallelogram style hinge lifting mechanism. Newer versions of overhead garage doors are now generally built from several panels hinged together that roll along a system of tracks guided by rollers. The door is balanced by either a torsion spring system or a pair of extension springs.A remote controlled motorized mechanism for opening garage doors adds convenience, safety, and security
• Aluminum garage doors are low-cost, light, rust-proof, and feature low-maintenance. They are prone to denting because aluminum is not strong and they are energy-inefficient since aluminum is a highly conductivematerial.
• Fiberglass and vinyl garage doors are composite units, combining a steel core behind a fiberglass or vinyl skin. They have also polyurethane insulated base sections, or other type of foam insulation. These premium doors can match steel garage doors, and be a realistic imitation of wood (namely fiberglass units), but they may be more expensive than steel units.
• Steel doors have become common and are available in a variety of sizes and styles, provide strength and security, are cost-competitive, and may have optional insulating value. Extra strength is available with two or three layers of galvanized steel with a low gauge number (23-24 gauge steel panels).
• Wood garage doors offer aesthetic appeal, but they are high-maintenance and may be expensive. Low-priced wood garage doors may warp and break easily.
Residential Sectional Garage Door,Automatic Metal Sectional Garage Door,Standard Lift Garage Door Drum,Polyurethane Foam Garage Door Shenzhen Hongfa Automatic Door Co., Ltd. , https://www.hffreezerdoor.com
The Economic Index compiled by the Economic Daily News Center and the China National Economic and Trade Monitoring Center of the National Bureau of Statistics was released on the 20th. The index reported that the equipment manufacturing industry early warning index for the first quarter was 113.3 points, an increase of 20 points from the previous quarter, and continued to run upwards in the "green light district".
Yao Jingyuan, chief economist of the National Bureau of Statistics, and Pan Jiancheng, deputy director of the China Boom Monitoring Center, and other experts believe that the rise in the equipment manufacturing prosperity index and early warning index indicates that the industry's economic situation continues to improve in general.
According to analysis, the rise in the equipment manufacturing industry in the first quarter was mainly due to the recovery of the domestic demand market. The sales of the company continued to grow rapidly and the prices rebounded moderately. The corporate profits and taxes showed a sustained and rapid growth, and the demand for labor increased significantly.
According to the analysis of the index report, there are many favorable conditions for the development of the current equipment manufacturing industry. However, due to the high degree of dependence on the development of the equipment manufacturing industry, it should be noted that there is still a large uncertainty in the recovery of external demand. opportunity. The implementation of the Equipment Manufacturing Industry Adjustment and Revitalization Plan should be further strengthened, and more active policy measures should be taken to encourage and guide the input of private capital.
China's equipment manufacturing industry has risen for three consecutive quarters
The just-released first quarter of 2010, the equipment manufacturing industry sentiment index report shows that the equipment manufacturing prosperity index for the first quarter of 2010 was 99.4 points (the boom rate was 100 points), which was 0.7 points higher than the previous quarter and was the third consecutive. The quarterly rise was basically restored to the initial level of the rapid growth cycle from 2003 to 2008 (ie, the level in the first half of 2003).