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OHC Construction Group Co., Ltd. is a specialized contractor for steel structure building systems, integrating design, fabrication, and installation. It holds Grade-I general contracting qualifications for construction projects and Grade-I specialized contracting qualifications for steel structure engineering.
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11
2026
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06
OHC Constrcution Group has served as the chief editor or co-author of standards related to metal roofing (national, industry, and association-level).
Editor-in-chief or contributor to standards related to metal roofing (national, industry, and association-level) | ||||
Serial number | Standard Name | Standard Number | The role in the standard | Note |
1 | Metal Panel Building Construction (I) – 360° Laminated Standing-Seam Metal Roofing System | 24CJ113-1 | Editor-in-chief | National Standard Reference Atlas |
2 | Test Method for Wind-Resistant Performance of Metal Roofs – Part 1: Static Pressure Method | GB/T39794.1-2021 | Co-author | National Standard |
3 | Building waterproofing | 25J950 | Co-author | National Standard |
4 | Technical Standard for Building Metal Enclosure Systems Engineering | JGJ/T473-2019 | Co-author | Industry standard |
5 | Technical Standard for the Application of Metal-Skin Sandwich Panels | JGJ/T453-2019 | Co-author | Industry standard |
6 | Metal‑faced sandwich panel building construction | 21J925-2 | Co-author | National Standard |
7 | Standard for Evaluating Laboratory Testing Capabilities of Wind-Resistant Performance of Architectural Metal Enclosure Systems | T/CCMSA20433-2022 | Co-author | Group standard |
8 | Metal-faced insulated sandwich panels for construction | GB/T 23932-2025 | Co-author | National Standard |
9 | Technical Standard for Welding of Stainless Steel Roofing Systems | T/CECS989-2021 | Co-author | Association Standard |
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