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
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 |
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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 |
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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.