Manufacturing Excellence-OYH

Annual Procurement

200,000 tons of emulsion

1.5 million tons of asphalt

250,000 tons of resins, including HDPE, PET, TPO, and MPE

Advanced Equipment and Production Technology

Over 40 advanced membrane production lines were developed by leading U.S. R&D teams.

Boato membrane production technology from Italy, equipped with precision control systems.

Mortar production lines are designed by Germany’s EIRICH Group, a leader in innovative mixing technology.

Polyurethane production lines are based on innovations by Germany’s Bayer.

HDPE high-polymer pre-applied waterproof membrane production lines.

TPO production lines are supplied by Germany’s KraussMaffei, renowned for polymer processing expertise.

State-of-the-art EVA waterproof board production lines operating in China, built with environmentally friendly technology

Strategic Sourcing

Lean Production

The OYH group has fully implemented a comprehensive lean management strategy across all production bases, consistently executing key operational activities such as 5S (setting-in-order, shining, standardizing, and sustaining the discipline), visual management, timely production, panel management, inventory management, and total productive maintenance. Additionally, defect tracking and cost analysis systems have been established to drive optimization continuously.

Key Modules		Sub-items	Results
Standardized Lean Management System	Management Standardization	Standardized Management Practices	100% on-time delivery rate 3% annual reduction in production costs Full implementation of visual management and 5S standards
	Management Framework	Comprehensive Quality Management System
Improvement System	Policy Deployment	KPI Optimization	Effective use of OKR tools for process management 16 billion in cumulative economic benefits
	Analytical and Quality Control Enhancements	Problem-Solving and Analytical Capabilities Enhancement
Comprehensive Training	Comprehensive Training	Training Facilities Creation	617 lean production training materials developed Full implementation of lean talent cultivation
	Lean Management Talent Development	Talent Cultivation
		Manager Development

Quality Assurance and Testing

Rigorous Process Control

Process Assurance: We maintain strict control over process parameters and have established contingency plans to handle any production anomalies.

Workshop Assurance: Each workstation conducts self-inspections, and regular process checks ensure that only qualified products are produced.

Testing Assurance: Raw materials, semi-finished products, and finished products undergo testing according to internal standards, which exceed industry and national requirements.

Advanced Instrumentation

Service Performance Instruments: Xenon lamp aging tester, UV aging chamber

Mechanical Performance Instruments: Electronic universal testing machine

Precision Instruments: Dynamic mechanical analyzer, Fourier transform infrared spectrometer

Routine Instruments: Asphalt ductility tester, low-temperature flexibility tester

Comprehensive Testing Process

Raw Material Inspection

Raw Material Pilot Testing

In-Process Control Testing

In-Line Sampling

Final Product Inspection

At OYH, Quality is Our Top Priority.

We implement a third-party quality management system that fosters collaboration across technology, production, and quality control teams, ensuring efficient and effective quality management.