Sunzo Professional Certification Services

Providing ISO certifications, safety training, and comprehensive qualification solutions for construction excellence.

Core Construction Qualifications

First-Class Foundation Engineering Qualification

Sunzo holds a nationally recognized First-Class Foundation Engineering Qualification, ensuring our foundation construction meets the highest standards of safety and quality.

Grade III Municipal Public Engineering License

This license authorizes Sunzo to undertake diverse municipal infrastructure projects — including drainage systems, roads, and public utilities — with full compliance to government standards.

Grade III Environmental Engineering License

Safety Production License

This license ensures that Sunzo’s construction operations strictly comply with China’s national safety production regulations, guaranteeing a safe, standardized, and environmentally responsible work environment.

Management System Certifications

Our comprehensive certification system ensures that Sunzo operates with excellence in compliance, safety, quality, and business integrity across every project we deliver.

ISO 9001:2015 Quality Management System Certification

Certifies that Sunzo’s management and construction processes comply with ISO 9001 standards, ensuring consistent quality, customer satisfaction, and continuous improvement across all engineering projects.

ISO 45001:2018 Occupational Health & Safety Management System

Demonstrates Sunzo’s commitment to employee safety and health protection through standardized occupational safety practices and risk control systems.

Golden Benefit Quality Management System Certification

Recognizes Sunzo’s comprehensive quality management excellence, combining innovation and rigorous process control to ensure optimal performance and sustainability in construction.

Corporate Credit & Honors

Recognized for integrity, quality, and innovation — Sunzo’s honors reflect our trusted reputation and commitment to excellence in foundation engineering.

AAA Contract-Honoring & Trustworthy Enterprise

Honors Sunzo for maintaining an excellent record of reliability and contract integrity, reflecting our long-standing reputation as a dependable and credible engineering partner.

Quality Service Reputation Unit

Recognizes Sunzo’s consistent delivery of high-quality engineering services, outstanding customer feedback, and technical excellence across all foundation projects.

Quality Service Honor Certificate

Awarded to Sunzo for exceptional service performance and dedication to achieving top-tier project results and client satisfaction.

Integrity Management Demonstration Unit

Acknowledges Sunzo’s transparent, honest, and responsible business operations—serving as a benchmark for integrity in the construction industry.

High-Tech Enterprise Certificate

Recognizes Sunzo as a certified high-tech enterprise, demonstrating strong R&D capabilities and leadership in foundation and soil improvement technology innovation.

Environmental Laboratory Compliance Solutions

Sunzo provides professional laboratory testing and monitoring services for environmental protection, material inspection, and construction compliance.

Environmental Laboratory Compliance

Professional environmental testing and certification services ensuring full compliance with national environmental standards.

Environmental Protection Commitment

Comprehensive sustainability programs helping enterprises achieve eco-friendly and low-carbon development goals.

Engineering Material Testing

Advanced material inspection technology ensuring safety and quality in all construction materials.

Construction Compliance Monitoring

Real-time project monitoring system ensuring construction activities meet every regulation and safety standard.

Why Choose Sunzo Certification Services?

✓Professional certification team with over 10 years of industry experience.
✓One-stop service — from consultation to certification support.
✓High success rate — 98% of clients pass certification on their first attempt.
✓Ongoing maintenance and periodic audit follow-ups after certification.