Welcome to visit our company! Our company Qingdao Sinostro Technology Co., Ltd (Qingdao Histro Steel Tower Co., Ltd) mainly produce all kinds of steel towers and steel structure, including electric transmission towers, telecommunication towers, TV&radio towers, etc. TV&Broadcast tower is one of our main products.
Our company is situated in Beiguan Industrial Park in Jiaozhou, Qingdao, with the area of 120,000 square meters and the staff of more than 800, including 116 middle and superior technical professors. Our company is a comprehensive tower enterprise, always committed to the development and application of steel technology, specializing in the design, production and initialization of structural mast and steel structure.
Our business has spreaded more than 30 districts in China and other countries including Thailand, Chile, Span, Pakistan, Myanmar, Sri Lanka, Liberia, Tanzania, Australia, Luxembourg, Norway, Russia, etc.
The following are some of our photos for your reference.
1. Our packing, each bundle has a bundle no. and also a tag showing the part no., quantity and weight:
2. Each tower type will be done with trial assembly before galvanized:
3. Export Reference List In The Last 3 Years
No. | Contract Name | Tower Type | Tower Height/ Weight | Contract Signing Date | Remark |
| 1 | Liberia Monrovia Channel Frequency Modulation Tower | frequency adjustment tower, angular tower | 97m | 2007.6.19 | finished |
| 2 | Liberia Zwedru Channel Frequency Modulation Tower | frequency, adjustment tower angular tower | 89m | 2007.6.19 | finished |
| 3 | Venezuela 500KV Power Transmission Project | angular tower | 566.839 tons | 2007.8. | finished |
| 4 | Norway 500KV Double Circuit Power Transmission Project | tubular tower | 571.262 tons | 2008.6 | finished |
| 5 | 500KV Mongolia Power Transmission Project | tubular tower | 498.277 tons | 2008.9 | finished |
| 6 | Tanzania Radio&Television Tower | tubular tower guyed tower | 138m | 2009.1 | finished |
| 7 | Vietnam Radio&Television Self supporting Tower | angular tower | 85m | 2009.1 | finished |
| 8 | Venezuela Radio&Television Self supporting Tower | angular tower | 85m | 2009.1 | finished |
| 9 | 500KV Spain Double Circuit Power Transmission Project | tubular tower | 1065.22 tons | 2010.3. | finished |
| 10 | Philippines Guyed Tower | guyed tower | 100m | 2010.4 | finished |
| 11 | Korea Guyed Tower | guyed tower | 100m | 2010.4 | finished |
| 12 | Brazil Guyed Tower | guyed tower | 100m | 2010.4 | finished |
| 13 | 750KV PhilippinesDouble Circuit Power Transmission Project | tubular tower | 425.65 tons | 2010.6 | finished |
| 14 | Pakistan Self supporting Tower | tubular tower | 60m | 2010.11 | finished |
| 15 | Nigeria Self supporting Tower | tubular tower | 150m | 2010.11 | finished |
| 16 | Zambia Self supporting Tower | tubular tower | 90m | 2010.11 | under construction |
| 17 | Iran Self supporting Tower | tubular tower | 120m | 2010.11 | finished |
| 18 | Iraq 90.5m Tower and the foundation project | tubular tower | 90.5m | 2011.1 | finished |
| 19 | Mongolia Self supporting Tower | tubular tower | 150m | 2011.3 | finished |
| 20 | Luxembourg Steel Structure | Steel Structure | 3000tons | 2011.4 | In production |
| 21 | Turkey Medium Wave Tower | tubular tower | 120/151m | 2011.7 | under construction |
| 22 | 500KV Sri Lanka III Circuits Power Transmission Project | tubular tower | 2285.56 tons | 2011.9. | finished |
| 23 | Australia Steel Structure | Steel Structure | 10000tons | 2011.7 | in production |
| 24 | 220KV Spain Double Circuit Power Transmission Project | angular tower | 394.615 tons | 2012.3 | finished |
| 25 | 220KV Mongolia Double Circuit Power Transmission Project | angular tower | 386.56 tons | 2012.5 | finished |
| 26 | 132KV Norway Double Circuit Power Transmission Project | angular tower | 2200.23 tons | 2012.7 | finished |
| 27 | North Korea Transmission Tower | angular tower | 300tons | 2013.6 | finished |
| 28 | Australian Steel Structure | steel structure | 3500tons | 2013.9 | In production |
| 29 | The United States Guyed Tower | angular tower , tubular tower | 500 tons | 2014.3 | finished |
| 30 | Russia Power Transmission Tower | angular tower | 500 tons | 2014.5 | finished |
| 31 | Pakistan Power Transmission Tower | angular tower | 300 tons | 2014.12 | In production |
| 32 | Myanmar Power Transmission Tower | angular tower | 7000 tons | 2015.1 | In production |
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