20+Years Experience
Ground Improvement Contractor | PVD, Vacuum Preloading & Soil Stabilization
Specialists in Vacuum Preloading & Ground Improvement
- 1000+ Projects – Proven success in infrastructure
- Full In-House Design & Construction – Faster, Lower Cost
- 1000+ Projects – Proven success in infrastructure
- Full In-House Design & Construction – Faster, Lower Cost
- 50+ PVD Rigs & Barges – Ready Anytime
- Local Expertise in Asia – Faster Mobilization
- 30% Lower Cost – Proven & Faster
20+Years Experience
Ground Improvement Contractor | PVD, Vacuum Preloading & Soil Stabilization
Specialized in Vacuum Preloading & Soil Stabilization for Ports, Highways & Offshore Project
- 1000+ Projects – Proven success in ports, highways & reclamations
- Full In-House Capability – Design + Equipment + Construction = Faster & Lower Cost
- 50+ PVD Rigs & Marine Barges – No Waiting for Imported Equipment
- Local Expertise in Asia – Faster mobilization than global contractors
- 30% Lower Cost vs Global Giants – Same proven methods, faster response
in Ground Improvement Projects
in Vacuum Preloading
Ground Improvement Specialists
Trusted by 50+ Global & Regional Leaders
Applied in Ports, Highways, Industrial Parks & Reclamations From Asia’s largest port expansions to complex highway projects.
Ground Improvement Contractor
Proven Solutions for Ports, Highways & Offshore
We take great pride in the quality and integrity of our products, and our laboratory plays a crucial role in upholding these standards.
Patented Vacuum + PVD, 30% Cost Saving, No Sand Cushion.
- Patented vacuum + anti-clogging PVD for fast, reliable drainage.
- 30% cost saving with smart control, proven in soft soil projects.
- 800+ units, in-house supply for stable delivery.
Dynamic Compaction + DCM: +50% Bearing Capacity, –40% Piles, Millions Saved.
- 35M+ offshore PVD, GPS-precision vessels.
- Smart, eco DCM & vibro, efficient & cost-saving.
- Proven in complex soft soil, reliable delivery.
35M+ Offshore PVD with GPS Vessels: Reliable Marine Soil Stabilization, On-Time Delivery.
- 35M+ offshore PVD with GPS precision.
- 4 DCM ships & vibro systems, fast and eco-friendly.
- Proven marine soft soil expertise, leading domestic tech.
In-house PVD Rigs & Vessels: 30% Faster Consolidation, 40% Lower Risk.
- 2 PVD vessels & amphibious rigs for offshore soft soil.
- 35M+ meters installed, proven speed & penetration.
- GPS-precise, wave-resistant system, stable & safe.
Typical Ground Problems That Delay Your Projects
- Roads/ports crack due to soft soil settlement →Safety risks
- Slow consolidation → Project handover delayed by months
- Expensive foreign contractors → Budget overruns
- Unstable ground → Future warranty claims & disputes
Ground Improvement Methods & Techniques We Deliver
From vacuum preloading to offshore PVD, Sunzo provides proven ground improvement solutions tailored for ports, highways, reclamations & industrial zones.
Prefabricated Vertical Drains (PVD) Installation
Prefabricated wick drains are plastic strips with molded channels, wrapped in geotextile filter fabric.
Vacuum Consolidation (Highways & Ports)
30% faster soil consolidation, widely used in port & highway projects
Soil Pre-Compression (Industrial Platforms)
30% faster soil consolidation, widely used in port & highway projects
Water-Gas Separation Vacuum
30% faster soil consolidation, widely used in port & highway projects
Water Bag Preloading (Reclamation)
30% faster soil consolidation, widely used in port & highway projects
Sandless Vacuum Consolidation
30% faster soil consolidation, widely used in port & highway projects
PVD Engineering Ship
Dedicated fleet ensures rapid offshore deployment.
Water Mixing Pile Technology
Cost-effective soil stabilization for ports & airports.
Vibroflotation Technology
Densifies loose sand, improving load-bearing capacity.
PVD Engineering Ship
Dedicated fleet ensures rapid offshore deployment.
Deep Soil Mixing (DSM)
In-situ mixing with cement slurry, strengthens soft soil.
Jet Grouting (JG)
High-pressure injection forms solid soil-cement columns.
Dynamic Replacement (DR)
Large stone columns replace weak soil, cost-effective.
Vibro Compaction (VC)
Densifies loose sand, prevents settlement in reclamation.
Cast-in-situ Pile Foundations
Reliable load-bearing piles, customized for your project.
Concrete pile foundation construction
Concrete pile foundation construction
Steel pile foundation construction
Steel pile foundation construction
Larsen Pile (SPIV)
Sheet piles for excavation support & water cut-off.
Global Ground Improvement Projects & Case Studies
300+ global projects delivered: from ports and airports to highways and industrial parks.
Global Ground Improvement Projects & Case Studies
300+ global projects delivered: from ports and airports to highways and industrial parks.
Vietnam BW Logistics Park Ground Improvement
-
Problem:
Weak, uneven soil threatened warehouse foundation safety. -
Solution:
Dynamic compaction with multiple rigs to boost bearing capacity. - Result: 270,000m² stabilized in 6 months, ensuring safe load for large warehouses.
Malaysia Sabah Port Offshore PVD Ground Improvement
-
Problem:
Offshore soft soil threatened port expansion. -
Solution:
GPS-guided barge with static PVD installation. -
Result:
Safe consolidation enabled large-scale reclamation.
Iraq Port Terminal Yard Expansion PVD Project
-
Problem:
High-moisture silt delayed oil terminal expansion -
Solution:
PVD rigs with pre-drilling ensured deep drainage & consolidation. - Result: Stable yard delivered, supporting heavy terminal operations.
Singapore Changi Airport Ground Improvement Project
-
Problem:
Airport reclamation faced long settlement & stability risks. -
Solution:
Vacuum preloading + PVDs, deep mixing piles & surcharge. -
Result:
4.9M㎡ consolidated, enabling on-time expansion.
India Dhamra Port Expansion Soft Ground Improvement
-
Problem:
India’s first large reclamation on weak silt risked delays. -
Solution:
Sand-free vacuum preloading + PVDs + surcharge with mixers. -
Result:
410,000㎡ stabilized, reducing settlement risk and enabling faster delivery.
Vietnam Formosa Steel Plant Ground Improvement
-
Problem:
Soft soil threatened heavy plant foundation. -
Solution:
PVD with hydraulic rigs for high-moisture silt. -
Result:
140,000㎡ stabilized, ensuring steel plant safety.
About SUNZO Foundation Engineering
Founded in 1999, Sunzo is a leading foundation engineering contractor specializing in soft soil improvement, vacuum preloading, and geosynthetic applications. With over 1,000 successful infrastructure projects, we have established ourselves as a trusted partner for ports, highways, airports, and industrial zones across Asia and beyond.
Backed by a team of over 200 professional engineers, Sunzo integrates design, construction, and technology innovation to deliver turnkey foundation solutions — from soil investigation and geotechnical design to on-site construction and project management. Our mission is to provide safe, sustainable, and cost-effective ground improvement systems that meet international standards of quality and reliability.
Regional Network: 🇲🇾 Malaysia | 🇸🇬 Singapore | 🇵🇭 Philippines | 🇻🇳 Vietnam | 🇹🇭 Thailand | 🇮🇩 Indonesia
Certified & Accredited Solutions
Certified & Accredited Solutions
Our Technology
Meet Our Team
Singapore branch
Address:Room3,3rd Floor,215 Henderson Road,Henderson Industrial Park,Singapore
Indonesia branch
Address:Niwana,Pabang Village,Tanjungbulu,northern Jakarta,Indonesia Shunde Ashley III,Shunde Beimai Laya Road,J1 block,No.21,adjacent to 013 li/007
Macau branch
Address:Room D,10th Floor,Guangfa Commercial Center,No.174 Beijing Street,New Port, Macau
Thailand branch
Address:No.315/25-26,Community 12,Nongbo District,Banglamun,Chonburi province,Thailand
India branch
Address:Room 307,3rd Floor,Block A,Nilmara Square,Forest Park,Bubaneswar,India Zip code:751009
Hong kong branch
Address:Room 507,5th floor,International Trade Centre,29 Cheung Lee Street,Chai Wan,Hong Kong.
Engineering Materials
Soil Machine
Common Questions
Most Popular Questions.
We have listed some questions you may ask. If you have more inquiries about our products, you can send an inquiry to contact us.
We provide vacuum preloading, dynamic compaction, PVD wick drain installation, deep soil mixing, and offshore ground improvement. Methods are selected based on soil conditions and project requirements.
Typical consolidation time is reduced by 30% compared to natural settlement, depending on soil thickness and water content. Our patented sand-free system accelerates the process.
Yes. We own GPS-guided barges and offshore PVD rigs, with proven success in ports, reclamations, and coastal industrial parks.
We offer full EPC service: site investigation, customized design, in-house equipment mobilization, construction, and monitoring.
Our in-house fleet reduces equipment mobilization cost, offering up to 30% lower cost than global giants while maintaining international standards.
We conduct settlement monitoring, pore pressure tests, and provide full QA/QC reports. All projects follow ISO 9001 and international standards.
Over 1000 projects across Asia, the Middle East, and Africa, including ports, airports, highways, and industrial zones.
Want a Faster, Cost-Effective Ground Improvement Contractor?
With 20+ years of experience and 1000+ projects worldwide, SUNZO delivers tailored ground improvement solutions for ports, highways, airports, and reclamations.
Get Your Free Proposal Now!
View project solutions and cost estimates within 24 hours. Our engineers will provide a tailored ground improvement plan for your site.
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