Home
Supplier Discovery
Construction & Decoration
Iron Pipe & Tube
Sewer Pipe Factories & Companies
Filter
Category
Chemicals
Construction & Decoration
Electrical & Electronics
Manufacturing & Processing Machinery
Metallurgy, Mineral & Energy
More
Management Certification
ISO9001:2008
Others
ISO9001:2015
ISO14001:2015
ANSI/ESD
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
Guangdong
More
about sewer pipe
Technological Innovation
Reliable Supply Chains
Substantial Manufacturing Capabilities
sewer pipe
1,000+ factories verified
SHANXI DATONG CASTING CO., LTD.
23 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
High Strength Coated Cast Iron Pipe Pressure Pn40 Ductile Iron Sewer Pipe
US$
450.00
-
500.00
1 Ton
(MOQ)
Pressure Pn16 Ductile Internally Lined Iron Jacking Pipe for Gravity Sewer Lines
US$
400.00
1 Ton
(MOQ)
Leak-Proof NBR Gasket Material Hermal Preinsulated Ductile Iron Sewer Pipe for Irrigation
US$
370.00
1 Ton
(MOQ)
Black Bitumen Painting Flanged Ductile Cast Iron Pipe for Gravity Sewer Lines
US$
400.00
1 Ton
(MOQ)
1/4
Hebei Xiong'an East Boom Engineering Materials Trade Co., Ltd.
Send Inquiry
High Strength PVC Double Wall Corrugated Pipe for Drainage and Sewer Systems
US$
0.86
-
19.68
500 Meters
(MOQ)
HDPE Pipe 100mm 150mm 200mm PE Sewer Pipe
US$
0.20
-
10.00
200 Meters
(MOQ)
High-Durable 2.5mm UPVC Power Pipe Large Diameter Electrical Power and Water Supply Drainage Sewer Tube
US$
0.10
-
2.00
100 Meters
(MOQ)
2025 Sewer Systems Corrugated HDPE Pipes Large Diameter HDPE Steel Belt Reinforced Spiral Corrugated Pipe
US$
5.50
-
90.50
500 Meters
(MOQ)
1/4
Xiamen Adva Kitchen and Bathroom Wares Co., Ltd
Send Inquiry
40cm Toilet Sewer Drain Pipe Seal Accessories Adapter Toilet Drain Pipe Connector
Negotiable
200 Pieces
(MOQ)
Plastic Toilet Sewer Drain Pipe Installation Seal Accessories Connector Toilet Drain Pipe Adapter
Negotiable
200 Pieces
(MOQ)
27.5cm Toilet Sewer Drain Pipe Plumbing Toilet Drain Wall Hung Wc Pan Pipe Connector
US$
1.30
-
3.00
500 Pieces
(MOQ)
Toilet Sewer Drain Pipe Seal Accessories Wc Plumbing Toilet Conceal Tank Fitting Pipe
US$
0.50
-
3.00
500 Pieces
(MOQ)
1/4
Zhejiang Reliance Trading Co Ltd
3 yrs
·
Trading Company
Send Inquiry
Cipp Pipe Repair Packer Trenchless Point Repair for Sewer & Drain System
US$
222.00
-
245.00
1 Piece
(MOQ)
Sewer Pipe Non Dig Cipp Instant Locks Small
US$
165.00
-
200.00
1 Set
(MOQ)
Non-Dig Pipe Plugs for Trenchless Sewer Point Repairs
US$
146.00
-
160.00
1 Piece
(MOQ)
Non-Dig Pipe Rehabilitation Quick Lock for Trenchless Sewer Restoration
US$
180.00
-
200.00
1 Set
(MOQ)
1/4
Xiamen Erikeke Industrial and Trading Co., Ltd.
5.0
Send Inquiry
4" (100mm) PVC 12364 Type Psm SDR35 Sewer/Egout PS 46 Psi/320 Kpa ASTM D3034 PVC Sewer Pipe
US$
0.23
-
12.00
1 Meter
(MOQ)
High Quality PVC Bell End Sewer Pipe CPVC Electrical Conduit Pipe
US$
1.37
-
5.29
500 Meters
(MOQ)
8 Inch Bell End PVC Sewer Pipe Awwa C900 Dr18
US$
0.23
-
14.00
1 Meter
(MOQ)
C900 ASTM D1784 Pipe Joint Standard ASTM D3139 PVC Sewer Pipe
US$
0.23
-
14.00
200 Meters
(MOQ)
1/4
Zhejiang Eastern Dfhb Pipes Co., Ltd.
Send Inquiry
30 Year Factory Sewer Solution Centifulgal Casting GRP Pipes
US$
30.00
-
3,000.00
100 Meters
(MOQ)
High Durability Corrosion-Resistant Fiberglass Pipe for Sewer
US$
30.00
-
3,000.00
100 Meters
(MOQ)
GRP Pipes/Tubes for Microtunneling Pipejacking Sewer Projects ISO Standards
US$
30.00
-
3,000.00
100 Meters
(MOQ)
ISO 23856/25780 Pipe Recognized GRP/FRP Trenchless Systems: Engineered for 50+ Years of Reliable Municipal Potable Water and Sewer Infrastructure
US$
30.00
-
3,000.00
100 Meters
(MOQ)
1/4
Shandong Shengshida Pipeline Co., Ltd.
Send Inquiry
Municipal Drainage and Sewer Network Built with PE100 HDPE Double Wall Corrugated Pipe
US$
5.10
1,000 Meters
(MOQ)
Underground Plastic Pipeline for Water Supply Gas and Landscape Greening Infrastructure PE Sewer Pipe
US$
0.20
1,000 Meters
(MOQ)
High Flow Capacity Drainage and Sewer System Using DN200mm to DN1200mm HDPE Double Wall Corrugated Pipe
US$
5.10
1,000 Meters
(MOQ)
Sustainable Urban Drainage and Sewer Engineering HDPE Double Wall Corrugated Pipe
US$
5.10
1,000 Meters
(MOQ)
1/4
Shandong Qiaotai Pipe Technology Co., Ltd.
15 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Underground HDPE Sewer Drainage Pipe
US$
2.60
-
5.20
500 Meters
(MOQ)
Lightweight HDPE Corrugated Sewer Pipe
US$
2.60
-
5.20
500 Meters
(MOQ)
Marine Engineering HDPE Sewer Pipe
US$
2.60
-
5.20
500 Meters
(MOQ)
Industrial Zone HDPE Sewer Pipe
US$
2.60
-
5.20
500 Meters
(MOQ)
1/4
Shandong Kangyu Pipe Industry Co., Ltd.
12 yrs
·
5.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
200mm to 800mm Grand Diameter Plastic HDPE Double Wall Corrugated Sewer Drain Pipe
US$
0.35
-
5.60
100 Meters
(MOQ)
Flexible HDPE Pipe for Underground Sewer Systems Municipal Water Supply
US$
0.36
-
0.37
100 Meters
(MOQ)
HDPE Double Wall Corrugated Drainage Sewer Cleaning Pipe PE Pipe
US$
0.35
-
5.60
100 Meters
(MOQ)
Kangyu China Flexible HDPE Pipe for Underground Sewer Systems
US$
0.36
-
0.37
100 Meters
(MOQ)
1/4
Wuhan Easy-Sight Technology Co., Ltd.
16 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
No Dig Sewer Main Lining Rehabilitation Pipe Cipp Trenchless UV LED Light Curing Vehicle
Negotiable
1 Set
(MOQ)
HD Manhole Well Camera Digital Inspection Periscope
US$
6,000.00
-
8,000.00
1 Set
(MOQ)
Municipal Sewer Main Rehabilitation Pipe Cipp Trenchless UV LED Light Fast Curing Vehicle
Negotiable
1 Set
(MOQ)
Mini Wireless Hidden Crawler PTZ Head Robotic Sewer Camera|Robot Pipe Camera|Crawler Pipes
US$
25,000.00
-
35,000.00
1 Set
(MOQ)
1/4
Mengyin Runlu Import and Export Trading Co., Ltd
3 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
En1401 Certified Durable 40mm PVC Sewer Pipe for Efficient Drainage
US$
1.00
-
1.30
1,000 Pieces
(MOQ)
High-Quality 40mm PVC Sewer Pipe En1401 Certified for Durability
US$
1.00
-
1.30
1,000 Pieces
(MOQ)
Premium 40mm PVC Sewer Pipe for Efficient Drainage Solutions
US$
1.00
-
1.30
1,000 Pieces
(MOQ)
Cost-Effective Chinese HDPE Sewer Pipe Systems
US$
1.00
-
1.30
1,000 Pieces
(MOQ)
1/4
Tianjin Jingtong Pipeline Technology Co., Ltd.
15 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
HDPE Steel Belt Reinforced Corrugated Pipe for Draiange and Sewer
US$
5.00
-
80.00
300 Meters
(MOQ)
Good Price Sn8 HDPE Steel Belt Reinforced Corrugated Pipe for Sewer
US$
5.00
-
80.00
300 Meters
(MOQ)
PVC/UPVC/MPVC Pipe Water Tube PVC Pipe for Water Supply/Irrigation/Sewer Drainage
US$
0.20
-
290.00
300 Meters
(MOQ)
Corrugated Pipe for Sewers and Drainage Waste Water Storm Rain Water
US$
0.40
100 Meters
(MOQ)
1/4
Shanxi Jingdong Pipe Industry Co., Ltd.
5 yrs
·
Trading Company
Send Inquiry
Hot Sale DN600 Ductile Iron Pipe ISO2531 En545 K7 K9 C30 C40 Drain Sewer Ductile Iron Pipe
US$
368.00
-
465.00
1 tons
(MOQ)
Hot Sale DN600 Ductile Iron Pipe ISO2531 En545 K7 K9 Drain Sewer Ductile Iron Pipe
US$
368.00
-
465.00
1 tons
(MOQ)
Hot Sale DN600 Ductile Iron Pipe ISO2531 En545 K7 K9 Pn10 Pn16 Pn25 Drain Sewer Ductile Iron Pipe
US$
368.00
-
465.00
1 tons
(MOQ)
DN125 DN300 Ductile Iron Pipe Drain Pipe Anti-Corrosion Chemical Sewer Available
US$
449.00
-
530.00
1 tons
(MOQ)
1/4
DINGGIN HARDWARE(DALIAN) CO., LTD.
15 yrs
·
5.0
·
Trading Company
Send Inquiry
DN400 ISO 2531 BS En 545 En598 Ductile Cast Iron Sewer Drain Pipe & Fittings Factory
US$
875.00
-
895.00
1 Ton
(MOQ)
Sewer System Cast Iron Pipes and Fitting BS En877
US$
850.00
-
1,050.00
1 Ton
(MOQ)
DN1400 Cement Lined ISO 2531 BS En 545 En598 Ductile Cast Iron Sewer Drain Pipe & Fittings Factory SGS Inspection Available
US$
875.00
-
895.00
1 Ton
(MOQ)
B70 CSA Cast Iron Soil Pipe for Sewer System Supplier From China
US$
800.00
1 Ton
(MOQ)
1/4
Ningbo Kingwin Co., Ltd.
Send Inquiry
HDPE Double Wall Corrugated Drainage Pipe Plastic Culvert Pipe Sewer Farm Roads Socket Connection Pipe
US$
0.30
-
28.00
1 Piece
(MOQ)
Durable 3 Inch HDPE Sewer Pipe Drain Polyethylene Pipes
US$
0.30
-
28.00
1 Piece
(MOQ)
Customizable Large Diameter HDPE Drain Pipe Durable Black Color Wastewater Drainage Sewer Pipes with Flexible Socket Fusion
US$
0.30
-
28.00
1 Piece
(MOQ)
Wholesale 40mm 50mm 75mm 110mm 2 Inch 3 Inch Sewer Pipe 125mm Diameter DN20 Drinking Water HDPE 63mm Plastic Drain Water Pipes
US$
0.30
-
28.00
1 Piece
(MOQ)
1/4
Casing Screen Pipe Technology (Tianjin) Co.,Ltd.
Send Inquiry
PVC SDR35 Sewer Pipe with Rubber Gasket 600mm Underground Green Pipe with Flush End
US$
0.25
-
2.00
500 Meters
(MOQ)
Good Price HDPE Courrgated Sewer Pipe PE Perforated Pipe for Basketball Court Drainage System
US$
0.50
-
8.50
300 Meters
(MOQ)
Europe Green GRP Pipe DN1200 FRP Sewer Pipe
US$
10.00
-
13.00
100 Meters
(MOQ)
Sn16 HDPE Steel Belt Reinforced Corrugated Pipe for Sewer
US$
0.22
-
10.00
200 Meters
(MOQ)
1/4
Zhejiang Ourui New Materials Co., Ltd.
5.0
Send Inquiry
PVC Large Diameter Lightweight Non Pressure Buried Sewer Pipe
US$
0.40
-
6.00
100 Pieces
(MOQ)
HDPE Durable Lightweight Non Pressure Buried Sewer Pipe
US$
0.40
-
6.00
100 Pieces
(MOQ)
Buried PVC High Flow Rate Non Pressure Buried Sewer Pipe
US$
0.40
-
6.00
100 Pieces
(MOQ)
Sewerage Lightweight High Quality Non Pressure Buried Sewer Pipe
US$
0.40
-
6.00
100 Pieces
(MOQ)
1/4
Qingdao David Technology Co., Ltd.
Send Inquiry
Wire Reinforcement/ Hydraulic/Manufacturer/Sewer Cleaning/Spray-Paint / Thermoplastic Pipe
US$
1.00
-
25.00
10 Meters
(MOQ)
Wire Reinforcement/ Hydraulic/Sewer Cleaning/Spray-Paint / Thermoplastic Pipe
US$
1.00
-
25.00
10 Meters
(MOQ)
Sewer Water Jet Drain Pipe Cleaning High Pressure Pump
US$
1,000.00
-
5,000.00
1 Piece
(MOQ)
High Pressure Hydraulic/Paint Spray/Sewer Cleaning/Water Jetting/Water Blasting Thermoplastic Pipe
US$
1.00
-
25.00
10 Meters
(MOQ)
1/4
Hebei Zhenwang Frp Co., Ltd
18 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Lightweight High-Strength FRP Sewage Drainage Pipe-Municipal Sewer Pipe, Wastewater Conduit
US$
3.25
-
105.25
100 Meters
(MOQ)
Lightweight High-Strength FRP Sewage Drainage Pipe-FRP Drain Pipe, Municipal Sewer Line
US$
3.65
-
105.58
100 Meters
(MOQ)
Lightweight High-Strength FRP Sewage & Drainage Pipe- Municipal Sewer Line, Wastewater Conduit
US$
3.25
-
108.25
100 Meters
(MOQ)
Lightweight High-Strength FRP Sewage & Drainage Pipe- Municipal Sewer Line, Wastewater Discharge Pipe
US$
3.25
-
108.25
100 Meters
(MOQ)
1/4
Shandong Jianlong Plastic Co., Ltd.
24 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
High Quality UPVC Drain Pipe Sewer Pipe PVC Pipes for Plumbing Plastic Pipes
US$
0.32
-
1.59
1,000 Pieces
(MOQ)
PVC Water Supply Drainage Sewer Irrigation Plumbing Large Diameter Pn10 DN250 UPVC Pipe
US$
0.27
-
0.30
50 Meters
(MOQ)
PVC Sewer Pipe with Bell End NSF Certificate UPVC Drain Pipe
US$
0.06
-
0.10
80 Meters
(MOQ)
Hot Sale PE Plastic Tube PE100 PE80 Pipe HDPE Double Wall Corrugated Pipe 400mm for Rain Sewer and Drainage Underground Pipe
US$
5.20
1,000 Meters
(MOQ)
1/4
Weifang Palconn Plastics Technology Co., Ltd.
20 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
PVC UPVC Drainage Pipe for Sewer Water Waste Water DIN Standard
US$
0.50
-
0.60
100 Meters
(MOQ)
UPVC Pipe 200mm PVC Drainage Pipes for Sewer Water Germany Standard
US$
0.50
-
0.60
100 Meters
(MOQ)
110mm Underground Drainage Sewer Pipe X 6m Single Socket
US$
0.77
-
10.00
3,000 Meters
(MOQ)
Sewer & Drain Pipe 110mm 160mm
US$
0.77
-
10.00
3,000 Meters
(MOQ)
1/4
Langfang Yunshi Environmental Protechnology Co., Ltd.
7 yrs
·
5.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
White Rainwater Sewer Pipe Down Pipe PVC Pipe Manufacturers
US$
1.00
-
20.00
100 Meters
(MOQ)
Water Ventilation Duct Joint Sewer Sewage Pipe Parts Cheap PP Plastic China Factory Customized PP Tube Round Pipe Light Yellow
US$
1.00
-
20.00
100 Meters
(MOQ)
High Quality PVC Pipe for Sewer Drainage with Cutting Moulding Processing Service
US$
1.00
-
20.00
100 Meters
(MOQ)
Manufacturers Supply PVC Drain Pipe Sewer Pipe
US$
1.00
-
20.00
100 Meters
(MOQ)
1/4
HENGSHUI GAINS TRADE CO., LTD.
Send Inquiry
Gains FRP Pultrusion Pipe Manufacturing FRP Sewer Pipe China Fiberglass Chemical Pipe
US$
900.00
-
1,000.00
1 Set
(MOQ)
Gains GRP Sewer Pipe Wholesaler Fiberglass Insulation Tube China Special Acid Pipe FRP Chemical Pipe
US$
900.00
-
1,000.00
1 Set
(MOQ)
Gains 2m FRP Pipe Manufacturers Fiberglass Sewer Pipe China Large Diameter FRP Mortar Pipe
US$
900.00
-
1,000.00
1 Set
(MOQ)
Gains FRP Tool Pipe Suppliers Fiberglass Sewer Pipe China GRP Chemical Waste Pipe
US$
900.00
-
1,000.00
1 Set
(MOQ)
1/4
Jiangsu Langboone Pipe Manufacturing Co., Ltd.
15 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Sn16 DN800 DN600 HDPE Double Wall Corrugated Pipe for Sewer Drainage
US$
5.00
-
8.00
100 Meters
(MOQ)
Factory 800mm HDPE Drainage Pipe PE Double Wall Corrugated Pipe for Sewer
US$
5.00
-
8.00
100 Meters
(MOQ)
Malaysia Pn16/10 HDPE Sewer Pipe with CE Certificate HDPE Drainage Pipeline
US$
5.00
-
10.00
100 Meters
(MOQ)
Krah Carat HDPE Sewer Corrugated Pipe PE 100 Sn12/16 Spiral Drainage Pipe
US$
5.00
-
8.00
100 Meters
(MOQ)
1/4
Yunnan Hengcai Pipeline Co., Ltd.
13 yrs
·
5.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
Corrosion-Proof PVC Sewer Pipe for Construction – Custom Diameters & Fittings – 24h Quote
US$
0.02
-
2.00
1 Piece
(MOQ)
Zhongcai Plastic Sewer Drain Water Supply HDPE PPR Fitting PVC Pipe
US$
2.00
-
100.00
1 Piece
(MOQ)
Dual Twin Double Wall Corrugated Tube Hose Culvert Bellows Sewer Drainage Pipe
US$
0.10
-
1.00
1 Piece
(MOQ)
Zhongcai Water Supply Irrigation System High Pressure Sewer Dwv Plastic PVC Pipe
US$
2.00
-
100.00
1 Piece
(MOQ)
1/4
Shandong Donghong Pipe Industry Co., Ltd.
19 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Municipal Piping System HDPE Pipe for High-Pressure Water and Sewer Line Systems
US$
1.99
-
39.99
100 Meters
(MOQ)
Factory Direct Deliver HDPE Water Pipe PE Sewer Customized Plastic Pipe Water Pipe
US$
0.47
-
10.28
100 Meters
(MOQ)
Dhpi Municipal HDPE Pipe for Comprehensive Water and Sewer Line Solutions
US$
1.99
-
39.99
100 Meters
(MOQ)
Solid Wall PVC Pipe Pvco Pipe for Sanitary Sewer, Drainage, and Underdrain Applications
US$
0.80
-
29.90
1,000 Meters
(MOQ)
1/4
Hebei Shentong Plastic Co., Ltd.
15 yrs
·
5.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
800mm Sn8 HDPE Double Wall Sewer Water Pipe
US$
4.55
-
4.75
60 Meters
(MOQ)
Fosite Favorable Price PVC Sewer Pipe for Building
US$
0.01
-
2.11
500 Meters
(MOQ)
Sewer Lateral Installation PE HDPE Pipe
US$
0.88
-
1.52
5,000 Meters
(MOQ)
White PVC Hollow Spiral Silencer UPVC Drainage Sewer Noise Cancel Sewer Pipe
US$
0.20
-
0.23
100 Pieces
(MOQ)
1/4
Shandong Guangdu Pipe Co., Ltd.
Send Inquiry
50mm 75mm 110mm 160mm 200mm 250mm PVC UPVC Plastic Sewer Drainage Pipe
US$
0.10
-
2.00
500 Meters
(MOQ)
Sn8 HDPE Steel Belt Reinforced Corrugated Pipe for Sewer
US$
0.20
-
10.00
500 Meters
(MOQ)
HDPE Pipe for Underground Drainage and Sewer Pipe
US$
0.20
-
10.00
500 Meters
(MOQ)
800mm HDPE Steel Belt Reinforced Spirally Corrugated Pipe for Sewer
US$
0.20
-
10.00
500 Meters
(MOQ)
1/4
Zhengzhou Jiutai Technology Co., Ltd.
5.0
Send Inquiry
Sewer Pipe Inspection Crawler Robot with Video Inspection
US$
12,499.00
-
14,500.00
1 Set
(MOQ)
IP 68 Video Inspection Camera Sewer Pipe Crawler with Zoom
US$
8,350.00
-
9,260.00
1 Piece
(MOQ)
HD CCTV Camera Movable Elevator Sewer Mianline Big Pipe Inspection Robot Crawler
US$
7,999.00
-
9,500.00
1 Set
(MOQ)
Pan Tilt Zoom 150m Cable Sewer Drain Pipe Inspection Camera
US$
12,500.00
-
14,500.00
1 Set
(MOQ)
1/4
Zhejiang Tianpu Rubber & Plastic Co., Ltd.
6 yrs
·
5.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
Kitchen Sewer Pipe Flexible Sink Drains Downcomer Wash Basin Hose Sturdy and Practical
US$
0.05
-
0.19
500 Pieces
(MOQ)
Manufacturers Supply PVC Plastic Pipe Sewer Drain Hose Bathtub Flexible Drain Pipe
US$
0.90
-
0.98
500 Pieces
(MOQ)
Elbow Sewer Pipe Extension Piece PVC Washing Machine Drain Pipe
US$
2.00
-
2.50
500 Pieces
(MOQ)
Double Basin Extended Three-Way Sewer, Y-Shaped Drainage Pipe
US$
0.80
-
1.50
500 Pieces
(MOQ)
1/4
1
41
Hot Products
Concrete Pipe
Stainless Pipe Tube
Seamless Tube Pipe
Elbow Pipe
Upvc Pipe
Pipe Extrusion Machine
Hdpe Pipe
Drill Pipe
Related Manufacturers & Supplier
Plastic Sewer Pipe Factories
Sewer Pipe Camera Factories
Erw Pipe Factories
Casing Pipe Factories
Water Gas Supply Pipe Manufacturers
Sewer Pipe Inspection Camera Manufacturers
Sewer Pipe Extrusion Line Manufacturers
Hookah Pipe Manufacturers