Manufacturing capability rooted in Tianjin's steel industry.

Tianjin Runzedatong Steel Pipe Manufacturing Co., Ltd. is located in Daqiuzhuang, Tianjin—a major national steel production hub. Situated with convenient access to Tianjin Port and Binhai International Airport, and adjacent to key expressways such as the Beijing-Shanghai, Tangshan-Tianjin, and Rongcheng-Wuhai lines, as well as Huanghua Port, the company enjoys a prime geographical location that enables it to provide customers with efficient, one-stop service.

Registered with the State Administration for Industry and Commerce, the company is a large-scale enterprise integrating the design, fabrication, installation, processing, and production of greenhouse structures. We have earned a strong reputation in the industry thanks to our robust technical expertise, management experience, and extensive product range. We manufacture, wholesale, and retail a wide variety of greenhouse components, including locking channels, spring wires, fasteners, top-pressure springs, figure-eight pipes, connecting plates, V-clips, U-clips, film-clamping clips, film-securing wires, and greenhouse framework parts.

Our greenhouse steel pipe specifications include 1/2", 3/4", 1", 1.2", 1.5", 2", 2.5", and 3" sizes, as well as galvanized steel pipes and oval pipes; custom lengths are also available.

We specialize in producing greenhouse steel pipes, square pipes (including galvanized square pipes), plastic-coated pipes, and various greenhouse accessories.

Our main products include multi-span film greenhouses, Venlo-style greenhouses (glass or polycarbonate sheet), arched greenhouses (solar greenhouses and ground-insert types), livestock housing, and "Ji"-shaped steel greenhouses.

Product specifications include diameters of 20mm, 22mm, 25mm, 30mm, 32mm, and 42mm, with wall thicknesses ranging from 1.0mm to 5.0mm; custom sizes can be produced according to customer requirements. Galvanized square pipe specifications range from 16×16 mm to 300×300 mm, with wall thicknesses of 1.0–12 mm and lengths up to 13 meters.

High-frequency welded pipe specifications include: outer diameters of 19–426 mm and wall thicknesses of 1.0–14 mm; hot-dip galvanized pipe specifications range from 19 mm to 219 mm in diameter, with wall thicknesses of 1.0–12 mm.

We maintain ample stock and benefit from convenient transportation access. We offer a comprehensive range of specifications and guarantee both quality and quantity. We can also manufacture galvanized steel pipes in special materials and custom specifications (meeting either national or non-standard requirements) to suit customer needs.