Tianjin GrandMetal Tech. Co., Ltd was founded in 2010. Along with the development of over ten years, we have succeeded in owning our own processing factory, the international logistic company and a professional foreign trade team.
The factory covers an area of 21,298 square meters, consist with five workshops and one office building, equips with laser cut machine/plasma cut machine/punching machine/radial drilling machine and so on total 103 sets of equipment, employing 26 workers.
Now we have the capacity of two million pieces per year for ground screw, our products were ever be exported to USA, Canada, Australia, South Korea, Singapore, Italy, France, UK and so on, and are widely used in many types of foundation engineering.
Featured Products
2.875″ O.D. Pipe 7 feet Lead with 8″-10″ Helix GMTN70070810
Material: Q355/ API 5CT J55
Type: Extension tubesExtension tube piers for foundation support
Description: Shorter project times, ease of installation, reduction of the carbon footprint, ease of removal when the foundations are no longer required, reduced risk to the workforce, and reduced costs.
2.875″ O.D. Pipe 7 feet Lead with 10″ Single Helix GMTN700710
Material: Q355/ API 5CT J55
Type: Extension tubesExtension tube piers for foundation support
Description: Shorter project times, ease of installation, reduction of the carbon footprint, ease of removal when the foundations are no longer required, reduced risk to the workforce, and reduced costs.
2.875″ O.D. Pipe 7 feet Lead with 8″ Single Helix GMTN700708
Model Number: HSO
Material: Q355/ API 5CT J55
Type: Helical Pile
Description: Open top, which are designed to have a pipe inserted into it and secured with three bolts when installing. Shorter project times, ease of installation, reduction of the carbon footprint, ease of removal when the foundations are no longer required, reduced risk to the workforce, and reduced costs.
2.875″ O.D. Pipe 7 feet Lead with 8″-10″-12″ Single Helix GMTN7007081012
Model Number: HSO
Material: Q355/ API 5CT J55
Type: Helical Pile
Description: Open top, which are designed to have a pipe inserted into it and secured with three bolts when installing. Shorter project times, ease of installation, reduction of the carbon footprint, ease of removal when the foundations are no longer required, reduced risk to the workforce, and reduced costs.
Why Choose Us？
A Letter to Each Viewer
Hi Sir/Madam,
Good day, thanks for your attention. That friends should come to one from afar, is this not after all delightful? Glad to find we are in the same market.
As one of the leading manufacturers specialized in foudation products for many years, our products are widely used in solar mounting systems, green house, fence and other commercial constructions etc. both at home and abroad.
We have much experience in products and exporting, good service and high quality products are what we have been pursuing, if you are interested, feel free to contact us.
Every inquiry from you matter. Look forward to our cooperation.
Best regards.
GrandMetal