Welcome to visit our company!

Our company is professional in producing all kinds of steel towers including Power Transmission Tower, Communication Tower, Radar Tower, Radio&TV Tower, Torch Tower, Observation Tower, etc.

Qingdao Histro Steel Tower Co., Ltd (Qingdao Sinostro Technology Co., Ltd) is situated in Beiguan Industrial Park in Jiaozhou, Qingdao,  with the area of 120,000 square meters and the total assets of 350 million yuan and the staff of more than 800, including 116 middle and superior technical professors. Histro, 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.

Possessing modern CNC machining line, advance inspection equipment and perfect quality management system, Histro forms the productive capacity of 100,000 tons of tower and steel structure. Previous planning, construction observation and produce acceptance are all conformed to international standards. Histro produces various steel tower, communication tower, broadcasting television tower and electrical tower with professional skill and exquisite technique. The product has widely applied in telecommunication, mobile, railway, electricity, transformation and broadcasting. It's business spread more than 30 districts in China and other countries in the world, such as Spain, Luxembourg, Norway, Sri Lanka, Liberia, Tanzania, Australia and Chile.

Make 100% reputation by setting up perfect service system. Histro constantly hold the service concept of making “design, manufacture, installation and after-sale” into one coordinated process. Our company is delicated to treating each project and customer with the “meticulous, careful and warm-hearted”attitude, and to win the scarfication from our customers through stringent technical process and high-quality products.

Business license

Certificate for Qualification of Construction Enterprise   Corporate Code Certificate Credit Rank Certificate   Permit for Production of Industrial Products   Permit Production of Industrial Products   Certificate of Honor from China Unicom   Excellent Iron Tower Provider of China Unicom Quality Management System Certification    Permit for Safety in Production    Member entity of Corporate Credit Association of Qingdao    Contract-Abiding and Promise-Keeping Enterprise   CQM Certification    ISO9001:2008 Certificate   GB/T 28001-2001   ISO14001:2004 Certificate   CE Certificate  

If you are interested in our agular steel tower or tubular steel tower, please don't hesitate to contact with us!

The following are some of our photos:

1. 500KV Transmission Tower (angular  tower): 

 2. Telecommunication Tower (angular  tower): 

3. TV&Radio Tower in Tanzania:

4. Radar Tower (tubular tower):

3. Our Workshop:

4. Our Product (Angular Steel):

5. Delivery By Containers: