Product Ranges
Access Control, Building Automation, Security Services
Contact Us
  • Shanghai Angel DP Co., Ltd

  • Country: China
  • City: Shanghai
  • Address: No. 316, West Yongchun Road, Da tuan town, Nan hui Zone, Shanghai , China
  • Contact Person: christina Ling

Company Introduction
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Shanghai Angel DP Company is committed to manufacture a comprehensive range of parking management control and traffic security products, our product offering includes:

Fixed bollard, removable bollard, retractable bollard, Electric automatic bollard,Hydraulic bollard,Pneumatic bollard, li... Read Details
Press Releases
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Install the automatic bollard tips

Date: 2013/01/07
It will be better if setting a drainage system when install automatic bollard, because that will be useful for extending the bollards utility time and life time. Create a French drain that will accommodate the type of subsoil on the site. The drain should equal the measurements of the lost casing plus 8-12 inches or 200-300 mm. At the bottom of the hole, DOT approved geotextile may be used.Ballast should then be poured until it is 10 inches or 250 mm thick. The drain must ... Read Details