XZL‑GDTG04 dome‑top fixed carbon steel security bollard is galvanized anti‑impact traffic steel bollard with rounded dome top, designed for commercial car park and roadway safety barrier applications. Manufactured from heavy‑duty carbon steel with galvanized rust‑proof base and powder coated outer finish, this fixed bollard combines aesthetic rounded dome cap and solid anti‑impact performance. Available SKUs: D89 H900T3, D114 H1050T3, D140 H1200T3, D165 H1200T3, D220 H1200T3 with 3mm wall thickness. The smooth dome‑top eliminates sharp‑point hazard, perfect for commercial car park, retail premises and roadway boundary control. We deliver project‑focused steel bollard solutions for global B‑end customers covering Europe, North America, Oceania and Middle East.


| Product Model | SKU Code | Diameter | Height | Thickness | Material |
| XZL-GDTG01 | XZL-GDTG01-D89H24inT3 | 89 | 24in | 3 | Carbon steel |
| XZL-GDTG01-D114H36inT3 | 114 | 36in | 3 | Carbon steel | |
| XZL-GDTG01-D140H42inT3 | 140 | 42in | 3 | Carbon steel | |
| XZL-GDTG01-D165H48inT3 | 165 | 48in | 3 | Carbon steel | |
| XZL-GDTG02 | XZL-GDTG02-D89H1300T3 | 89 | 1300 | 3 | Carbon steel |
| XZL-GDTG02-D114H1300T3 | 114 | 1300 | 3 | Carbon steel | |
| XZL-GDTG02-D140H1300T3 | 140 | 1300 | 3 | Carbon steel | |
| XZL-GDTG02-D165H1300T3 | 165 | 1300 | 3 | Carbon steel | |
| XZL-GDTG03 | XZL-GDTG03-D89H900T3 | 89 | 900 | 3 | Carbon steel |
| XZL-GDTG03-D114H1050T3 | 114 | 1050 | 3 | Carbon steel | |
| XZL-GDTG03-D140H1200T3 | 140 | 1200 | 3 | Carbon steel | |
| XZL-GDTG03-D165H1200T3 | 165 | 1200 | 3 | Carbon steel | |
| XZL-GDTG03-D220H1200T3 | 220 | 1200 | 3 | Carbon steel | |
| XZL-GDTG04 | XZL-GDTG04-D89H900T3 | 89 | 900 | 3 | Carbon steel |
| XZL-GDTG04-D114H1050T3 | 114 | 1050 | 3 | Carbon steel | |
| XZL-GDTG04-D140H1200T3 | 140 | 1200 | 3 | Carbon steel | |
| XZL-GDTG04-D165H1200T3 | 165 | 1200 | 3 | Carbon steel | |
| XZL-GDTG04-D220H1200T3 | 220 | 1200 | 3 | Carbon steel | |
| XZL-GDTG05 | XZL-GDTG05-D89H900T3 | 89 | 900 | 3 | Carbon steel |
| XZL-GDTG05-D114H1050T3 | 114 | 1050 | 3 | Carbon steel | |
| XZL-GDTG05-D140H1200T3 | 140 | 1200 | 3 | Carbon steel | |
| XZL-GDTG05-D165H1200T3 | 165 | 1200 | 3 | Carbon steel | |
| XZL-GDTG05-D220H1200T3 | 220 | 1200 | 3 | Carbon steel | |
| XZL-GDTG06 | XZL-GDTG06-D89H900T3 | 89 | 900 | 3 | Carbon steel |
| XZL-GDTG06-D114H1200T3 | 114 | 1200 | 3 | Carbon steel | |
| XZL-GDTG06-D140H1300T3 | 140 | 1300 | 3 | Carbon steel | |
| XZL-GDTG07 | XZL-GDTG07-D89H900T3 | 89 | 900 | 3 | Carbon steel |
| XZL-GDTG07-D140H1200T3 | 140 | 1200 | 3 | Carbon steel | |
| XZL-GDTG08 | XZL-GDTG08-D114H1050T6 | 114 | 1050 | 6 | Carbon steel |
| XZL-GDTG08-D114H915T6 | 114 | 915 | 6 | Carbon steel | |
| XZL-GDTG08-D114H1067T6 | 114 | 1067 | 6 | Carbon steel | |
| XZL-GDTG08-D140H915T6 | 140 | 915 | 6 | Carbon steel | |
| XZL-GDTG08-D140H1067T6 | 140 | 1067 | 6 | Carbon steel | |
| XZL-GDTG08-D165H1050T6 | 165 | 1050 | 6 | Carbon steel | |
| XZL-GDTG08-D168H915T6 | 168 | 915 | 6 | Carbon steel | |
| XZL-GDTG08-D168H1067T6 | 168 | 1067 | 6 | Carbon steel | |
| XZL-GDTG09 | XZL-GDTG09-D76H1000T2 | 76 | 1000 | 2 | Carbon steel |
| XZL-GDTG09-D114H1000T3 | 114 | 1000 | 3 | Carbon steel | |
| XZL-GDTG09-D140H1000T3 | 140 | 1000 | 3 | Carbon steel | |
| XZL-GDTG09-D168H1000T3 | 168 | 1000 | 3 | Carbon steel | |
| XZL-GDTG10 | XZL-GDTG10-D89H900T3 | 89 | 900 | 3 | Carbon steel |
| XZL-GDTG10-D114H1200T3 | 114 | 1200 | 3 | Carbon steel | |
| XZL-GDTG10-D140H1200T3 | 140 | 1200 | 3 | Carbon steel | |
| XZL-GDTG10-D140H1300T3 | 140 | 1300 | 3 | Carbon steel | |
| XZL-GDTG10-D165H1200T3 | 165 | 1200 | 3 | Carbon steel | |
| XZL-GDTG10-D220H1200T3 | 220 | 1200 | 3 | Carbon steel | |
| XZL-GDTG11 | XZL-GDTG11-D89H900T3 | 89 | 900 | 3 | Carbon steel |
| XZL-GDTG11-D114H1200T3 | 114 | 1200 | 3 | Carbon steel | |
| XZL-GDTG11-D140H1300T3 | 140 | 1300 | 3 | Carbon steel | |
| XZL-GDTG11-D165H1300T3 | 165 | 1300 | 3 | Carbon steel | |
| XZL-GDTG11-D220H1200T5 | 220 | 1200 | 5 | Carbon steel | |
| XZL-GDTG12 | XZL-GDTG12-D89H900T3 | 89 | 900 | 3 | Carbon steel |
| XZL-GDTG12-D114H1200T3 | 114 | 1200 | 3 | Carbon steel | |
| XZL-GDTG12-D140H1200T3 | 140 | 1200 | 3 | Carbon steel | |
| XZL-GDTG12-D140H1300T3 | 140 | 1300 | 3 | Carbon steel | |
| XZL-GDTG12-D165H1200T3 | 165 | 1200 | 3 | Carbon steel | |
| XZL-GDTG12-D220H1200T3 | 220 | 1200 | 3 | Carbon steel | |
| XZL-GDTG13 | XZL-GDTG13-D89H24inT3 | 89 | 24in | 3 | Carbon steel |
| XZL-GDTG13-D114H36inT3 | 114 | 36in | 3 | Carbon steel | |
| XZL-GDTG13-D140H42inT3 | 140 | 42in | 3 | Carbon steel | |
| XZL-GDTG13-D165H48inT3 | 165 | 48in | 3 | Carbon steel | |
| XZL-GDTG14 | XZL-GDTG14-D89H24inT3 | 89 | 24in | 3 | Carbon steel |
| XZL-GDTG14-D114H36inT3 | 114 | 36in | 3 | Carbon steel | |
| XZL-GDTG14-D140H42inT3 | 140 | 42in | 3 | Carbon steel | |
| XZL-GDTG14-D165H48inT3 | 165 | 48in | 3 | Carbon steel |
* Rounded Dome‑top Construction: Smooth dome cap for this security bollard, remove sharp‑point risk for commercial car park public contact.
* Galvanized Carbon Steel Anti‑Impact Body: Heavy‑duty traffic steel bollard provides solid vehicle collision resistance for roadway safety barrier.
* 3mm Thick Steel Tube Wall: Reinforced mechanical performance for long‑term outdoor car park bollard operation.
* Comprehensive Size Portfolio: Multiple diameter and height options to satisfy varied commercial roadway bollard project layouts.
* Galvanized Rust‑proof Base Treatment: Effectively mitigate weather‑driven rust for year‑round outdoor traffic bollard deployment.
* Optional Reflective Warning Accessories: Enhance night‑time visibility for car park and roadway safety scenarios.
* Flange Surface Mount Base: Simple bolt‑on installation for concrete ground in commercial car park and retail premises.
* Aesthetic Commercial‑grade Fixed Barrier: Balanced visual appearance and robust safety performance for commercial property perimeter.
This dome‑top fixed carbon steel security bollard functions as durable anti‑impact traffic steel bollard for commercial‑oriented roadway and car park safety barrier projects. It is widely used for commercial car park internal lane division, retail store front boundary protection, shopping mall surrounding roadway isolation, office building premise safety separation. This outdoor fixed bollard also works for hotel driveway access control, service area boundary warning, commercial logistics site perimeter safeguard. The dome‑top traffic bollard is popular for commercial property projects from Europe, North America, Oceania and Middle East.


Chengdu Xinzhonglian Traffic Facilities Co.,Ltd. focusing on the field of traffic facilities, is a large and medium-sized traffic facilities production enterprise integrating research and development, production, processing and sales. It has passed the mass production certificate of traffic engineering products of the Ministry of Communications, and is one of the early enterprises engaged in the research and production of high-grade traffic safety products in China. We have our own factory in Chengdu, covering an area of about 33,340 square meters, with an annual output of 48,000 tons. We have 5 senior technicians, 8 intermediate technicians and 12 junior technicians. The total number of employees in the factory is about 200. We have made great progress. At present, we have advanced production equipment, perfect technological process, strict quality control system and accurate testing means. Our main products include is flexible Bollard, stainless steel fixed Bollard, removable bollard, solar light bollard,manual lifting bollard, semi-automatic rising bollard and hydraulic automatic bollard.





* Custom diameter and height for dome‑top security bollard to match commercial car park roadway safety barrier layout.
* Custom powder‑coated surface colors for galvanized traffic steel bollard to fit commercial property visual design.
* Custom wall‑thickness upgrade for anti‑impact bollard to achieve higher vehicle‑load resistance for heavy‑traffic roadway.
* Custom reflective component configuration for fixed outdoor bollard for dim‑light commercial car park environment.
* Custom flange base dimension to adapt different concrete pavement installation condition of traffic bollard.
* Custom brand logo marking on steel bollard for shopping mall and retail commercial project branding.
* Custom export‑standard packaging for sea bulk shipments to Europe, North America, Oceania and Middle East commercial clients.
* Custom engineering drawing output for dome‑top carbon steel bollard commercial tender submission.
Q1: What is the core feature of XZL‑GDTG04 dome‑top security bollard?
A1: This traffic steel bollard adopts smooth rounded dome‑top cap, avoiding sharp‑point risk, optimized for commercial car park and retail premises roadway safety barrier.
Q2: What sizes are available for this anti‑impact fixed bollard?
A2: Standard SKUs cover diameter D89‑D220mm, height range 900‑1200mm, wall thickness 3mm, custom dimension is acceptable.
Q3: Is this dome‑top steel bollard suitable for continuous outdoor car park environment?
A3: Galvanized anti‑rust treatment plus powder coating delivers reliable weather resistance for long‑term commercial car park deployment.
Q4: How do you install this commercial traffic bollard?
A4: Flange base surface mounting, fasten onto concrete ground by expansion bolts, suitable for finished car park pavement.
Q5: Can reflective parts be fitted on this fixed security bollard?
A5: Yes, reflective warning accessories are optional to improve night‑time warning effect for car park roadway safety.
Q6: Do you accept commercial project bulk orders for this dome‑top bollard?
A6: Yes, bulk commercial orders for traffic steel bollard are welcome, please send us project parameters for quotation.