Home
Supplier Discovery
Metallurgy, Mineral & Energy
Steel Pipe & Tube
Construction Square Pipe Factories & Companies
Filter
Category
Chemicals
Construction & Decoration
Electrical & Electronics
Manufacturing & Processing Machinery
Metallurgy, Mineral & Energy
More
Management Certification
ISO9001:2008
ISO14001:2004
Others
ISO9001:2015
ISO14001:2015
More
R&D Capacity
OEM
ODM
Own Brand
Others
Annual Revenue
<1 Million USD
1 ~ 2.5 Million USD
2.5 ~ 5 Million USD
5 ~ 10 Million USD
10 ~ 50 Million USD
More
No.of Employees
Less than 5 People
5-50 People
51-200 People
201-500 People
501-1000 People
More
Province & Region
Anhui
Beijing
Chongqing
Fujian
Gansu
More
about construction square pipe
Technological Innovation
Reliable Supply Chains
Substantial Manufacturing Capabilities
construction square pipe
4,000+ factories verified
China Steel Material & Pipe Company
4 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
High Durability Zinc Coated Tubes Galvanized Steel Round Tube Square Tube Perforated Material Pipe Construction Industrial Engineering Galvanized Steel Pipe
US$
502.00
-
510.00
1 Ton
(MOQ)
Hot Sale Customized Hot Cold Rolled Q235/Q195/Q345/A36 Galvanized Industrial-Strength Galvanized Square Pipe for Construction
US$
502.00
-
510.00
1 Ton
(MOQ)
Premium Quality Galvanized Square Pipe for Greenhouse Frame Construction
US$
502.00
-
510.00
1 Ton
(MOQ)
Premium Galvanized Square Pipe for Heavy-Duty Construction
US$
502.00
-
510.00
1 Ton
(MOQ)
1/4
Renqiu Xhf Metal Material Co., Ltd
8 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Q195, Q235B, A653 4X4 Pre-Galvanized Hot-DIP Galvanized Welded Seamless Stainless Steel Square Pipe for Construction
US$
630.00
100 Tons
(MOQ)
Construction/Welded/Seamless Pre-Galvanized Square Rectangular Stainless Steel Round Pipe
US$
630.00
100 Tons
(MOQ)
Factory 40X40 Galvanized /Q235/ Square/Rectangular Construction/Fence Square Steel Pipe
US$
630.00
100 Tons
(MOQ)
AISI ASTM 4X4 Thick Hot DIP Galvanized Color Pre Galvanized Low Carbon Square Rectangular Steel Pipe
US$
630.00
100 Tons
(MOQ)
1/4
LIAOCHENG HUAJIAN STEEL CO., LTD.
15 yrs
·
5.0
Send Inquiry
Q235B Hot Dipped Galvanized Square Pipe Hollow Steel Pipe for Construction
US$
550.00
-
650.00
10 Tons
(MOQ)
Factory Direct Sale Galvanized Steel Tubes ASTM A283 Galvanized Square Rectangular Carbon Steel Pipes for Construction
US$
550.00
-
650.00
10 Tons
(MOQ)
ERW Welded Black Rectangular Square Steel Pipe for Construction
US$
550.00
-
650.00
10 Tons
(MOQ)
Stainless Pipe Black Carbon Galvanized Steel Square Tube with High Quality
US$
500.00
-
999.00
10 Tons
(MOQ)
1/4
Wuxi Xinyiyuan Metal Products Co., Ltd.
3 yrs
·
Trading Company
Send Inquiry
Factory Sales High-Strength 304 Stainless Steel Square Pipe for Construction Handrail & Balcony Frame
US$
1,150.00
-
1,350.00
5 Tons
(MOQ)
High Quality Durable Square Pipe Iron Rectangular Tube Welded Galvanized Square Steel Pipes for Construction
US$
469.00
-
519.00
5 Tons
(MOQ)
Cold Rolled Rectangular Carbon Steel Galvanized Construction Pipe Galvanized Square Pipe
US$
521.00
-
547.00
1 Ton
(MOQ)
Construction Decoration Aesthetic Galvanized Square Pipe System Galvanized Square Pipe
US$
521.00
-
547.00
1 Ton
(MOQ)
1/4
Shandong Xinghuasheng Steel Group Co., Ltd
Send Inquiry
Hot Sale Customized Hot Cold Rolled Structural Mild Seamless Steel Pipe/Welded A53 A106 Pre Square/Round Galvanized Black Steel Pipe for Construction
US$
380.00
-
557.00
1 Ton
(MOQ)
Prime Quality 14 Gauge 2X2 1X1 Inch 100X100 40X40mm Hot Dipped Galvanized Square Steel Tube Pipe for Construction
US$
500.00
-
550.00
5 Tons
(MOQ)
Hot DIP and Pre Galvanized 40X40 60X60 Sch40 Gi Construction Frame Structural Tube Galvanized Steel Square Welded Pipe
US$
500.00
-
550.00
5 Tons
(MOQ)
St 52 Galvanized Steel Square Pipe Pre Galvanized Scaffold Tube for Construction
US$
423.00
-
489.00
5 Tons
(MOQ)
1/4
Zhejiang Yingjia Steel Co., Ltd.
5 yrs
·
Trading Company
Send Inquiry
Carbon Steel Square Steel Pipe for Construction & Mechanical Use
US$
550.00
-
650.00
1 Ton
(MOQ)
Premium Pre Galvanized Square Steel Pipe for Construction & Decoration
US$
580.00
-
700.00
1 Ton
(MOQ)
Square Steel Pipe for Construction with Pickling Surface Treatment
US$
550.00
-
650.00
1 Ton
(MOQ)
Carbon Steel Square Steel Pipe for Building Construction Material
US$
550.00
-
650.00
1 Ton
(MOQ)
1/4
Shanghai Bolaisheng Metal Group Co., Ltd.
4 yrs
·
Trading Company
Send Inquiry
Manufacturer X6crmnniti12 Austenitic-Ferritic 304 Stainless Steel Schedule 40 Square Pipe, for Construction
US$
0.80
-
1.20
1,000 kg
(MOQ)
Am-93802 93804 93850 92201 92202 92204 Seamless Construction Material Rectangular/Square Steel Pipe
US$
2,100.00
-
2,400.00
1 Ton
(MOQ)
Customized Round/Square Metal Pipe Price En Ab-43400 44000 44100 44200 44300 44400 45000 for Construction Aluminum Alloy Pipe
US$
2,100.00
-
2,400.00
1 Ton
(MOQ)
Factory Price Seamless Pipe 2A13 2A14 2A16 2b16 2A17 2A20 2A21 for Construction Rectangular/Square Metal Pipe Aluminum Alloy Pipe
US$
2,100.00
-
2,400.00
1 Ton
(MOQ)
1/4
Tianjin Yichen International Corporation
Send Inquiry
High-Quality Hot Galvanized Mild Carbon Steel Square Pipe for Construction
US$
600.00
1 Ton
(MOQ)
Durable Mild Carbon Steel Hot Galvanized Square Pipe for Reliable Construction
US$
600.00
1 Ton
(MOQ)
Versatile Hot Galvanized Square Pipe From Mild Carbon Steel for Construction
US$
600.00
1 Ton
(MOQ)
Premium Mild Carbon Steel Square Pipe with Hot Galvanization for Builders
US$
600.00
1 Ton
(MOQ)
Credit Import and Export Trading Co., Ltd.
17 yrs
·
5.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
Rectangular Steel Tube - Rhs - Square Welded Steel Pipe - ASTM A500 & En10210 Construction
US$
380.00
-
500.00
10 Tons
(MOQ)
Hollow Section Tube Galvanized Square Pipe for Construction
US$
550.00
-
600.00
20 metric tons
(MOQ)
Q235 Black Square Steel Pipe Structural Steel for Construction
US$
560.00
-
600.00
5 metric tons
(MOQ)
Hot Rolled Square and Rectangular Pipe for Construction
US$
450.00
-
550.00
10 Tons
(MOQ)
1/4
Tianjin Youfa International Trade Co., Ltd.
14 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Customized for Construction 20X20 50X50 100X100 Galvanized Square Pipe 2.5X2.5 Galvanized Square Pipe
US$
620.00
-
650.00
15 Tons
(MOQ)
Construction Mild Steel Rectangular and Square Hollow Section 400X400 Steel Square Pipe
US$
590.00
-
680.00
10 Tons
(MOQ)
Q355 Construction Material Iron Profile Carbon Steel Structure Round and Square Hollow Pipe
US$
550.00
-
700.00
25 Tons
(MOQ)
En10219 S235jrh S355joh 200X200 Ms Mild Steel Square Hollow Section Pipe for Construction
US$
580.00
-
750.00
1 Ton
(MOQ)
1/4
Liaocheng Mingxing Pipe Manufacturing Co., Ltd.
10 yrs
·
5.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
Hot-Dipped Galvanized Steel Pipe Tube Round Square Rectangular 15mm 1/2'' to 6 Inch Sch40 Sch80 ASTM A53/A106 GB/T 3091 for Construction Water Fence Scaffolding
US$
500.00
-
565.00
5 Tons
(MOQ)
High-Strength S355jr Hot DIP Galvanized Square Rectangular Pipe 2mm Wall En Standard for Construction and Industrial Structural Framework
US$
480.00
-
530.00
5 Tons
(MOQ)
ASTM A500 Gr B Carbon Steel Square Rectangular Tube Pipe for Structural Building Construction Shs Rhs 50X50mm 100X100mm
US$
480.00
-
530.00
5 Tons
(MOQ)
High Quality Welded Steel Pipe Gi ERW Carbon Tube Round Square Oil Pipe for Transportation Construction
US$
460.00
-
510.00
5 Tons
(MOQ)
1/4
Handan Zhengda Steel Pipe Group Co., Ltd
Send Inquiry
Galvanized Square Rectangular Pipe for Construction / Fencing
US$
490.00
-
740.00
2 Tons
(MOQ)
High Strength Bridge Construction Structural Reliable Galvanized Square Steel Pipe
US$
490.00
-
740.00
2 Tons
(MOQ)
High Strength Automotive Component Durable Precision Galvanized Square Steel Pipe
US$
490.00
-
740.00
2 Tons
(MOQ)
Top Manufacturer Hot Dipped Galvanized Square Pipe Rectangular Pipe
US$
490.00
-
740.00
2 Tons
(MOQ)
1/4
Dongguan Shangyu Plastic Hardware Products Co., Limited
14 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Reliable PVC Square Pipe for Long-Lasting Construction Projects
US$
0.99
-
1.28
2,000 meters
(MOQ)
Rectangular PVC Tube 90mm 100mm Plastic Square Pipes for Construction Furniture Frames
US$
0.99
-
1.74
2,000 meters
(MOQ)
Durable PVC Square Pipe for Construction - Alkali Resistant
US$
0.58
-
1.74
2,000 meters
(MOQ)
Durable Anti-Corrosion PVC Square Pipe for Construction Projects
US$
0.58
-
1.74
2,000 meters
(MOQ)
1/4
Tianjin Wenli New Energy Technology Co., Ltd.
11 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Steel Square Pipes for Construction & Industry
US$
550.00
-
650.00
10 Tons
(MOQ)
Corrosion Resistant Square Pipe for Outdoor Construction
US$
550.00
-
650.00
10 Tons
(MOQ)
Corrosion Resistant Square Pipe for Outdoor Construction Use
US$
550.00
-
650.00
10 Tons
(MOQ)
Wl-4-E025 Square High Strength Pipe for Construction and Mechanical
US$
550.00
-
650.00
10 Tons
(MOQ)
1/4
Liaocheng Jiujiang Machinery Manufacturing Co., Ltd.
9 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
High Precision Bright Stainless Steel Tube Square Rectangular Pipe with Hairline for Construction
US$
2,240.00
-
5,672.00
1 Ton
(MOQ)
Q195, Q235B, A653 4X4 Pre-Galvanized Hot-DIP Galvanized Welded Seamless Stainless Steel Square Pipe for Construction
US$
2,240.00
-
5,672.00
1 Ton
(MOQ)
Q195, Q235B, A653 4X4 Pre-Galvanized Hot-DIP Galvanized Welded 304 Seamless Stainless Steel Square Pipe for Construction
US$
2,240.00
-
5,672.00
1 Ton
(MOQ)
Hot-DIP Galvanized Seamless Stainless Steel Square Pipe for Construction
US$
2,240.00
-
5,672.00
1 Ton
(MOQ)
1/4
Hebei Tengyun New Materials Co., Ltd
8 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Prime Quality High Strength Building Materials Carbon Steel Structural Square Pipes for Constructions
US$
350.00
-
400.00
5 Tons
(MOQ)
China Supply High Strength Precision Square Welded Steel Pipes for Constructions
US$
350.00
-
400.00
5 Tons
(MOQ)
Best Quality Popular Building Materials Carbon Steel Structural Square Pipes for Construction
US$
350.00
-
400.00
5 Tons
(MOQ)
Prime Quality Stable Building Materials Square Carbon Steel Pipe for Constructions
US$
350.00
-
400.00
5 Tons
(MOQ)
1/4
Tianjin Jinnuo Steel Pipe Co., Ltd.
18 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
0.5mm-2.5mm Construction & Decoration 2-12meters Galvanized Tube Square Steel Pipe
US$
620.00
-
650.00
25 Tons
(MOQ)
Promotion 40X40mm 6m Length Black Iron Square Tube Steel Pipe for Construction
US$
509.00
-
539.00
5 Tons
(MOQ)
Chinese Factory Gi Square Pipe Manufacturers Construction Steel Pipe
US$
493.00
-
533.00
5 Tons
(MOQ)
Precision Welded Square Pipe, Durable Corrosion Resistance, Construction Machinery Preferred
US$
400.00
-
500.00
5 Tons
(MOQ)
1/4
Shandong Xindarong Steel Pipe Manufacturing Co., Ltd.
10 yrs
·
5.0
·
Manufacturer/Factory
Send Inquiry
Seamless Stainless Tube Pipe Welded Carbon Rectangular Square Hot DIP Galvanized Steel 2021 China BS ERW Construction Structure
US$
390.00
-
450.00
1 Ton
(MOQ)
Size 120X60mm Rectangular Steel Profile Ms Welded Rectangular Tubular Factory Price Construction Build Mild Steel Square Pipe
US$
400.00
1 Ton
(MOQ)
Welded Carbon Seamless Steel Tube Sch40 Sch60 Square Hot DIP Galvanized Steel Pipe Factory Price 304/304L/316/316L Cold Rolled 2b Ba 8K Surface Seamed Pipe
US$
390.00
-
450.00
1 Ton
(MOQ)
Round Stainless Steel Pipe ASTM A270 A554 SS304 316L 316 310S 440 1.4301 321 904L 201 Square Pipe Ss Seamless Tube
US$
390.00
-
450.00
1 Ton
(MOQ)
1/4
Tianjin Tianyingtai Steel Pipe Co., Ltd.
Send Inquiry
Chinese Manufacturer Whole Sale Pre Galvanized Square and Rectangular Pipe Price for Construction
US$
700.00
5 Tons
(MOQ)
Black Square Hollow Sections Steel Pipe for Construction
US$
450.00
-
750.00
3 Tons
(MOQ)
Tyt Hot Dipped/ Pre Galvanized Round & Square Steel Pipe for Construction and Scaffolding
US$
660.00
10 Tons
(MOQ)
Construction Square Hot Dipped /Pre Galvanized Steel Pipe for Scaffolding
US$
600.00
-
800.00
5 Tons
(MOQ)
1/4
Liaocheng Shengteng New Material Co., Ltd.
14 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Hot Sale Galvanized Square Steel Pipe for Scaffolding Construction
US$
429.00
-
509.00
10 Tons
(MOQ)
Prime Quality Customized Q235 Q235B Black Iron Square Tube Steel Pipe for Construction
US$
429.00
-
499.00
10 Tons
(MOQ)
Round Square Hot Dipped Pre Galvanized ERW Carbon Steel Tube for Scaffolding Construction Galvanized Steel Pipe
US$
560.00
-
600.00
1 Ton
(MOQ)
40X40 75X75 Hot DIP Gi Square Pipe Ms Hollow Section 20X40mm Galvanized Rectangular Pipe for Construction
US$
450.00
-
470.00
5 Tons
(MOQ)
1/4
Tianjin RuiTong Iron & Steel Co., LTD.
23 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
40X40mm 6m Galvanized Iron C250 C350 Square Tube Steel Pipe for Construction
US$
550.00
-
700.00
1 Ton
(MOQ)
GB/T6728 /ASTM A500 Square & Rectangular Ms Steel Tube Pipe for Construction As1074
US$
550.00
-
700.00
1 Ton
(MOQ)
Machinery Industry, Chemical Industry, Construction & Decoration, Special Purpose Square Pipe
US$
600.00
-
800.00
1 Ton
(MOQ)
Hot Dipped Galvanized Iron Square Pipe Galvanized ERW Steel Tubes Tubular Carbon Steel Pipes for Greenhouse Building Construction Pipe
US$
400.00
-
600.00
1 Ton
(MOQ)
1/4
Hainan Huatongxinda Trade Co., Ltd.
Send Inquiry
Round & Square Hot Dipped /Pre Galvanized Steel Pipe for Scaffolding and Construction
US$
10.00
1 Piece
(MOQ)
Pipe Bender for Galvanized Steel Square Tubing 20mm-60mm Construction Bending
US$
10.00
1 Piece
(MOQ)
Hot-DIP Galvanized Square Tube (Q235B) - Anti-Corrosion Load-Bearing Steel Pipe for Construction Engineering (Custom Length)
US$
10.00
1 Piece
(MOQ)
Shs & Rhs Galvanized Steel Tube Square and Rectangular Building Materials Pipe for Construction
US$
10.00
1 Piece
(MOQ)
1/4
Tianjin Weiming Industrial & Trading Co., Ltd.
Send Inquiry
ST012 OEM Hot Dipped Galvanized Seamless pipe Round steel pipe for construction square tube
US$
1,300.00
-
1,500.00
20 Tons
(MOQ)
ST002 Galvanized Steel square tube Black Seamless Steel Pipe for Construction material
US$
1,300.00
-
1,500.00
25 Tons
(MOQ)
ST008 Customized Square Hollow Section Seamless pipe rectangular tubes for construction
US$
1,300.00
-
1,500.00
25 Tons
(MOQ)
ST041 OEM Seamless and Weld Steel Square Tube Steel round Pipe for farm fence post
US$
1,300.00
-
1,500.00
20 Tons
(MOQ)
1/4
Dongguan Hongda Plastic Products Co., Ltd.
10 yrs
·
5.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
High Performance Wear-Resistant PVC Square Pipe for Construction Engineering
US$
0.39
-
0.89
1 Meter
(MOQ)
Customized Low Maintenance ABS Square Pipe for Construction Engineering
US$
0.39
-
0.89
1 Meter
(MOQ)
High Quality Anti-Aging PVC Square Pipe for Construction Engineering
US$
0.39
-
0.89
1 Meter
(MOQ)
Factory Price Durable Plastic Square Pipe for Construction Engineering
US$
0.39
-
0.89
1 Meter
(MOQ)
1/4
Qingdao Wanrunda Imp and Exp Co., Ltd.
Send Inquiry
High-Quality Pre Galvanized Square Steel Pipe for Construction
US$
700.00
-
850.00
10 Tons
(MOQ)
Premium Q355b Steel Square Pipe 160X160mm for Construction
US$
800.00
-
900.00
10 Tons
(MOQ)
Premium Q355b Square Steel Hollow Section Pipe 160X160mm for Construction
US$
750.00
-
800.00
10 Tons
(MOQ)
Premium Drilled Square Pipe for Structural Applications and Construction
Negotiable
500 Pieces
(MOQ)
1/4
Tianjin Emerson Metal Steel Products Co., Ltd.
Send Inquiry
Q235B Hot-Rolled 20*20 HDG Rectangular Square Pipe Tube for Construction
US$
510.00
-
800.00
2 Tons
(MOQ)
Packing in Bundles Galvanized Square Steel Pipe Construction Gi Steel Tube
US$
510.00
-
800.00
2 Tons
(MOQ)
Q235 Seamless Pipe Steel Pipe Tube Carbon Steel Pipe Square Rectangular Tube
US$
600.00
-
800.00
2 Tons
(MOQ)
Q345b 25*25 Carbon Rectangular Welded Galvanized Square Steel Pipe for Building Frames
US$
510.00
-
800.00
2 Tons
(MOQ)
1/4
GuangDong Lecong Steel World Electronic Commerce Co., Ltd.
10 yrs
·
Trading Company
Send Inquiry
Black Welded Carbon Steel Square Pipe Tube for Residential Building Reinforcement Metal Hardware Manufacturing and Construction Contractors
US$
500.00
-
650.00
1 Ton
(MOQ)
Hot-DIP Galvanized (HDG) Round / Square / Rectangular Steel Pipe for Construction & Building
US$
400.00
-
600.00
1 Ton
(MOQ)
Versatile Galvanized Square Pipe Ideal for Plumbing and Construction Use
US$
450.00
-
600.00
1 Ton
(MOQ)
Round & Square Hot Dipped /Pre Galvanized Steel Pipe for Scaffolding and Construction
US$
500.00
-
650.00
1 Ton
(MOQ)
1/4
Tianjin Arcelormittal Steel Trade Co., Ltd.
16 yrs
·
Trading Company
Send Inquiry
High-Quality Steel Square and Rectangular Pipes for Construction
US$
1,200.00
-
1,400.00
25 Tons
(MOQ)
Premium Q235 Carbon Steel Square Pipe for Construction Use
US$
500.00
-
600.00
25 Tons
(MOQ)
Premium 16mn Seamless Carbon Steel Square Pipe for Construction
US$
500.00
-
580.00
25 Tons
(MOQ)
Premium Pre-Galvanized Zinc Steel Square Pipes for Construction
US$
600.00
-
620.00
25 Tons
(MOQ)
1/4
WUXI TONGNO SPECIAL STEEL CO.,LTD
5.0
Send Inquiry
Premium S460 Seamless Carbon Steel Square Pipe for Construction Q195, Q215, Q235, Q275, Q295, Q345, Q355, Q390, St37, St52
US$
550.00
-
750.00
1 Ton
(MOQ)
Premium Quality ERW Hot-Rolled Square Steel Pipe for Construction
US$
520.00
-
630.00
1 Ton
(MOQ)
Premium Rectangular/Square Tube Q355b Carbon Steel Seamless Pipes for Construction
US$
550.00
-
750.00
1 Ton
(MOQ)
Premium Q195, Q215, Q235, Q275, Q295, Q345, Q355, Q390 Rectangular Square Steel Pipe for Construction Projects
US$
500.00
-
750.00
1 Ton
(MOQ)
1/4
Jiangsu Xinyuanxing Metal Products Co., Ltd.
3 yrs
·
Trading Company
Send Inquiry
China Manufacturer Q235 Galvanized Carbon Steel Square Pipe Tube Q345 ASTM A36 Gi Welded Pipe for Construction
US$
500.00
25 Tons
(MOQ)
China Promotion Q235 6m-12m Length Carbon Steel Square Tube Steel Pipe for Construction
US$
450.00
1 Ton
(MOQ)
Hot Dipped Galvanized Steel Pipe Fittings Welded Tube St37 St42 St37-2 St35.4 St52.4 St35 Galvanized Square Pipe for Construction
US$
500.00
25 Tons
(MOQ)
Precise Processing SS316 Square Wire 2.6 mm 6 Inch Schedule 316 Stainless Steel Pipe Price for Construction
US$
1,200.00
1 Ton
(MOQ)
1/4
1
160
Hot Products
China Pipe
Steel Pipe
Pipe Products
Pipe Set
Stainless Steel Pipe
Steel For Construction
Construction Steel H
Carbon Steel Pipe
Related Manufacturers & Supplier
Steel Pipe Product Factories
Stainless Pipe Factories
Square Pipe Factories
Machine Pipe Factories
Pipe Material Manufacturers
Construction Industry Manufacturers
Steel Pipe Material Manufacturers
Building Pipe Manufacturers