Baolai · Welded pipe
Tianjin Baolai Industrial & Trade Co., Ltd manufactures welded steel pipe in Tianjin. Production covers pipe forming, welding and the specified pipe testing, followed by cutting and end preparation.
Visit the pipe factory
METDAX supplies steel pipe, fabricated steelwork, solar mounting and foundation products through our three factories in China. Our manufacturing base brings together Baolai pipe production, Baolaili galvanizing and Dongfang Baoyu steelwork.
METDAX is our supply brand for steel and project components. Our pipe manufacturing base is Baolai in Tianjin, whose manufacturing history began in 1991.
Tianjin Baolai International Trade Co., Ltd handles Baolai’s international pipe trade. The quotation identifies the exporting company, manufacturer and products for your order.
Distributors order repeat pipe sizes and profiles; fabricators order cut or prepared steel; project buyers combine structural members, mounting parts and foundations.
Our Tianjin team coordinates product selection, factory visits, quotations and order follow-up. The factory responsibilities are set out below.
Talk to our teamI bring 17 years of manufacturing experience to METDAX, including work in China and Singapore.
Visit us to review the products and discuss your requirements with the factory team.
Tianjin Baolai Industrial & Trade Co., Ltd manufactures welded steel pipe in Tianjin. Production covers pipe forming, welding and the specified pipe testing, followed by cutting and end preparation.
Visit the pipe factoryTianjin Baolaili Galvanized Steel Pipe Co., Ltd handles galvanized steel pipe production in Tianjin. The factory galvanizes pipe and prepares its ends for construction and piping orders.
Discuss galvanized pipeDongfang Baoyu New Energy Co., Ltd is our manufacturing base for solar support structures, steel foundations and related fabricated components. Its workshop handles the steel members and connections used in these assemblies.
Discuss a solar or foundation packageBaolai Pipes · East Baoyu manufacturing

Solar support steelwork inside the East Baoyu workshop.
Baolai’s pipe production includes weld-seam inspection and hydrostatic or other specified product testing. The inspection plan follows the pipe standard and the requirements accepted for the order.
Pipe can be cut, threaded, grooved or beveled for the ordered connection. Galvanizing and other agreed protective finishes are identified separately from the base material.
The agreed material and inspection records identify the product and its heat or batch. Bundle labels and the packing list connect those records to the sizes and quantities dispatched.
For a question after delivery, send the order reference and photographs or measurements of the affected items. Our team can then compare the issue with the agreed dimensions, finish or supply scope and discuss the next step.
Yes. We arrange the relevant factory and a meeting around the products you want to see. Contact us before booking travel so the location and visit date can be agreed.
Yes. Pipe, steelwork, mounting and foundation items can share an itemized purchase. Each product keeps its own specification, quantity and packing group.
Tell us which products you would like to see and your proposed dates. We will arrange the relevant factory location and meeting before you travel.