About us
Nanjing DTH Global Trade CO., Ltd. (hereinafter referred to as DTH Global) is an import and export trading company focusing on steel-related products. The company office is located in Nanjing, China. In order to expand international business, DTH Global has launched overseas branch office- Tiandi Holdings Co., Ltd. The major products of our company include hot rolled steel coil and sheet, steel plate, cold rolled steel coil and sheet, and other iron and steel coils and sheets. Currently, the annual export volume of all steel plate products has achieved 100,000 tons with annual export sales exceeding 50 million U.S. dollars.
Our products are extensively used in various engineering projects at home and abroad, covering areas including architecture, automobile manufacturing, bridge, wind power, and home appliances. Our company used to supply iron and steel products to world-renowned enterprises such as GE of America, Siemens of Germany, DUFERCO of South Africa, and CJ of South Korea. In addition, our company has also built long-term and stable cooperation with domestic first-tier iron and steel enterprises such as Baosteel, Shougang Group, Citic Pacific Special Steel Holdings, and Nanjing Iron &Â Steel Group. In 2011, our company cooperated with Citic Pacific Special Steel Holdings, and successfully promoted its wind power steel products into the South Korean market and obtained steady performance. In 2012, our company cooperated with Nanjing Iron &Â Steel Group, promoted its wear-resisting products into the African market, and gained the status as the exclusive agent in South African market of the year.
As a professional steel product trading company who deeply understands the international market as well as China's industrial structure, we have won our customers' trust with our rich international trade experience, competitive price, outstanding quality, and superior service.
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Products
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| steel category       | steel grade    | Size (mm) | Standard | ||
| Carbon steel | Q235A-D | 6-200 | 1050-4500 | 5000-25000 | GB |
| Low alloy steel | Q345A-E,Q390A-E, Q420A-E,Q460C-E, |
6-200 | 1050-4500 | 5000-25000 | GB |
| Bridge building  steel |
Q345qC-E,Q370qC-E, Q420qC-E,Q460qC-E, Q500qC-E,Q550qC-E, Q690qC-E |
6-150 | 1050-4500 | 5000-25000 | GB |
| High-rise steel |
Q345GJC-E,Q390GJC-E, Q420GJC-E,Q460GJC-E |
6-150 | 1050-4500 | 5000-25000 | GB |
| Offshore wind power steel |
S355G7/G8+M,S355G7/G8+N, S460G1/2+QT/M |
6-100 | 1050-4500 | 5000-25000 | EN |
| Ship building and offshore project steel |
A,B,D,A32,D32,E32,F32,A36, D36,E36,F36,A40,D40,E40,F40, E420,500,550,E620,690 |
6-100 | 1050-4500 | 5000-25000 | ABS,BV, CCS,DNV, GL,KR,LR, NK,RINA |
| American standard  marine steel |
API 2H-42/50,API2W-50/60, API2Y-50/60,API2MT1 |
6-100 | 1050-4500 | 5000-25000 | API |
| Boiler plate | Q245R,Q345R,16MnDR,Q370RÂ | 6-130 | 1050-4500 | 5000-25000 | GBÂ |
| Alloy boiler container | 09MnNiDR,12Cr1MoVR,1 3MnNIMoR,14Cr1MoR, 15CrMoR |
10-1360 | 1050-4500 | 5000-25000 | GB |
| EN/ASTM boiler steel | P265GH,P355GH, A537CL1/CL2/CL3, A387Gr.11CL2 |
6-130 | 1050-4500 | 5000-25000 | EN/ASTM |
| Pipeline steel | X42,X46,X52,X56,X60, X65,X70,X80,L245,L360, L450,L485 |
8-50 | 1050-4500 | 5000-25000 | GB |
| High strength steel | Q460C-E,Q500D-E, Q550D/E,550CFD/E, Q690D/E,Q690CFD/E, Q890D-E,Q960D-E, \Q1030/1100D/E |
6-80 | 1050-4500 | 5000-25000 | GBÂ |
| European standard  high strength steel |
S460Q/Ql/QL1, S500Q/QL/QL1, S550Q/QL, S690Q/QL, S890Q/QL, S960Q/QL |
6-80 | 1050-4500 | 5000-25000 | ENÂ |
| American standard  high strength steel |
A514 GrA/B/E/F/H/P/Q, A517 |
8-100 | 1050-4500 | 5000-25000 | ASTM |
| Abrasion resistant steel |
NM300/360/400/450/500/550 | 8-50 | 1050-4500 | 5000-25000 | GBÂ |
| Japanese standard steel |
SS400,SS400B, SM490A-C,SM520C |
6-130 | 1050-4500 | 5000-25000 | JIS |
| European standard steel |
S235JR-J2,S275JR-J2, S355JRK2,S355M/ML, 275N/NL,S355N/NL, S420/460M/ML, S420N/NL,S460N/NL |
6-130 | 1050-4500 | 5000-25000 | EN |
| American standard steel |
A709Gr.36/Gr.50, A572Gr.50/Gr55, A285 Gr.A-C, A515 Gr.55-70,A516 Gr.55-70 A36 Gr.36 |
6-130 | 1050-4500 | 5000-25000 | ASTM |
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During the process of road work, drop glass bead onto the road line painted with thermoplastic paint which is heated to certain temperature while the paint is still wet, thus to increase the reflectivity of road marking. According to the specification of Communication Industry Standard of the People`s Republic of China No. JT/T446-2001, the granulometry for drop on glass bead is shown in the table below:
Other parameters keep conformity with the type of intermix.
The glass bead can be produced based on the standard of countries or areas, such as EN1423/1424, AASHTO M247, BS6088, JIS R3301 and KS L2521 etc.
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