Galvanized Power Transmission Tower

Welcome to visit Qingdao Sinostro Technology Co., Ltd (Qingdao Hisro Steel Tower Co., Ltd)!

Our company is professional in producing all kinds of Power Transmission Tower, including angular tower and tubular tower.

Qingdao Histro Steel Tower 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 has spreaded more than 30 districts in China, Sri Lanka, Liberia, Australia, Norway, Luxembourg and Tanzania.

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

Since established in 2001, our factory has gotten all kinds of certificates, including  ISO9001:2008 Certificate   GB/T 28001-2001   ISO14001:2004 Certificate   CE Certificate.

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

1. 500KV Transmission Tower (angular  tower): 

2. Our Workshop:

3. Our Packing (Angular Steel):

4. Loading Test (1000KV angular tower):

5. Delivery By Containers: