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Engineering Case
Physical and chemical testing
As one of the company's core businesses, physical and chemical testing focuses on material composition analysis, mechanical property testing, and metallographic examination. We utilize spectral analysis, tensile testing, hardness testing, and metallographic microscopy to accurately obtain physical and chemical data on metals, non-metallic materials, and welded joints. This provides a scientific basis for product design and material selection, production quality control, and material aging assessment of in-service equipment. This helps various industries ensure material quality and product performance and safety.
| Serial Number | Construction Unit | Project Name |
| 1 | Sinopec Guangzhou Branch | 2025-2026 Material Arrival Quality Inspection and Testing Framework Agreement |
| 2 | Sinopec Pipeline Storage and Transportation Branch | Re-inspection Technical Services (Nangang-Zhanjiang 8th Unit) |
| 3 | Sinopec Pipeline Storage and Transportation Branch | Dongjiakou crude oil storage tank steel plate sample processing and physical and chemical testing comparison (8 units at Dongjiakou) |
| 4 | Sinopec Pipeline Storage and Transportation Branch | Re-inspection technical services for high-strength steel plates for storage tanks (5 units at Nanjing Iron and Steel Group and Tianjin) |
| 5 | Sinopec Pipeline Storage and Transportation Branch | Re-inspection technical services for high-strength steel plates for storage tanks (1 unit for 125,000 cubic meters and 6 units for 100,000 cubic meters at Yizheng) |
| 6 | Sinopec Pipeline Storage and Transportation Branch | Re-inspection technical services for high-strength steel plates for storage tanks (12 units at Wuhan Iron and Steel Group and Tianjin) |
| 7 | Sinopec Pipeline Storage and Transportation Branch | Re-inspection Technical Services for High-Strength Steel Plates for Storage Tanks (Nanjing Steel-Tianjin 15 Units) |
| 8 | Sinopec Pipeline Storage and Transportation Company Commercial Oil Reserve Depot Construction Project, Rizhao Branch | Rizhao Crude Oil Commercial Reserve Base Project Welding Procedure Assessment |
| 9 | Sinopec Nanjing Engineering Co., Ltd. | Physical and Chemical Testing for the Spherical Tank Automated Welding System Technology Development Project |
| 10 | Sinopec Qingdao LNG Co., Ltd. | Shandong Liquefied Natural Gas (LNG) Project Phase II 06Ni9DR Steel Plate Re-inspection Technical Services |
| 11 | Sinopec Shanghai Engineering Co., Ltd. | Sinopec Hainan Crude Oil Commercial Reserve Base Project Steel Plate Re-inspection |
| 12 | Sinopec Pipeline Storage and Transportation Co., Ltd. | 2017-2018 Pipeline Storage and Transportation Company Key Material and Equipment Re-inspection |
| 13 | Sinopec Pipeline Storage and Transportation Co., Ltd. | Xiangyang No. 4 Furnace and Huji No. 3 Furnace Cracking Tube Re-inspection Services |
| 14 | Sinochem Quanzhou Petrochemical Co., Ltd. | Technical services for high-risk alloy and stainless steel pipeline material testing and heat treatment weld hardness testing for the 1 million tons/year ethylene and refinery expansion project |
| 15 | Fujian Gulei Petrochemical Co., Ltd. | Ni9 plate raw material re-inspection project for the Gulei Refining and Chemical Steam Cracking Project |
| 16 | Fujian Gulei Petrochemical Co., Ltd. | 13MnNi6-3 steel plate re-inspection services for the Gulei Petrochemical terminal rear tank area and pipeline project tank area |
| 17 | National Pipeline Network Eastern Crude Oil Storage and Transportation Co., Ltd. Nanjing Branch | Welding process qualification supervision and inspection for the Luning Line project |
| 18 | Hengli Petrochemical (Dalian) Chemical Co., Ltd. | Retesting the Performance of High-Strength Tank Plates for the Dalian Hengli Petrochemical Project |
| 19 | Huizhou Daya Bay Huade Petrochemical | Retesting Agreement on Physical and Chemical Testing of Raw Materials for 100,000-ton Vertical Tank High-Strength Steel Plates |
| 20 | Nanjing Zhongjian Chemical Equipment Manufacturing Co., Ltd. | Physical and Chemical Testing of Product Samples |
| 21 | Changyu Construction Co., Ltd. | Physical and Chemical Testing |
| 22 | Zhejiang Minghong Industrial Co., Ltd. | Agreement on Physical and Chemical Testing, Re-inspection, and Supervision of the Raw Materials for High-Strength Steel Plates for 12 100,000-ton Vertical Tanks |
| …… |
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Jiangsu Diye Inspect Technology Co., Ltd.
+86 15941519904
+86 13214378967
+86 15371312493
Email:Info@diyendt.com;charles@diyendt.com;max@diyendt.com
WhatsApp: +86 15371312493
Address: NO. 158-A1, JI'AN SOUTH ROAD, HIGH TECH INDUSTRIAL DEVELOPMENT ZONE,YANGZHOU CITY, JIANGSU PROVINCE, CHINA,225100
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