Voigt & Associates, Inc.

What Voigt & Associates, Inc. does

Voigt & Associates, Inc. is a privately held Chinese metal products manufacturer operating as 尊龙集团 (Zunlong Group) and 四川维尔公司 (Sichuan Weir Company), headquartered in Sichuan Province since 1995. The company designs and produces metal corrugated pipes and plates, metal expansion joints, and metal flexible hoses for sale primarily to government transportation authorities and state-owned infrastructure contractors. Its core technology centers on proprietary spiral rib forming that yields continuous reinforcing ribs at four times base sheet thickness, factory hot-dip galvanizing at 600g/m² of zinc coating, and a high-precision automated welding line capable of producing ultra-long flexible hoses without length constraints. Reported product specifications range from 0.3m to 12m in pipe diameter, 1.6mm to 12mm in wall thickness, and 50m to 60m fill-height capacity, with third-party validated 50–100 year service life under soil and wastewater corrosion conditions.

The company sells custom-engineered products directly through eleven market service offices spanning Chengdu, Chongqing, Tibet, Lanzhou, Kunming, Guiyang, Xining, Hohhot, Urumqi, Zigong, and Panzhihua, supplemented by an Alibaba.com storefront for international inquiries. Customers include China Railway Construction, China State Construction Engineering, China Communications Construction Group, Sichuan Transportation Investment Group, Sichuan Highway Group, China Nuclear Industry Group, Chongqing Steel Group, Pangang Group, and other industrial SOEs in petroleum, chemical, metallurgy, power, and chemical segments. Reported value propositions include construction cost at approximately 90% of equivalent cement-pipe projects, installation speed up to 400 meters/day versus 40m/day for cement, and weight reduction to one-tenth to one-fifth of equivalent cement pipe.

The business model is hardware sales of project-specified, custom-manufactured infrastructure components with attached on-site installation guidance. The company is not publicly listed, has no disclosed funding rounds, and holds regulatory certifications including the PRC Special Equipment Manufacturing License (TS2751143-2017), ISO 9001:2008, ISO 14001, and ISO 45001-equivalent occupational health and safety certification.

Name

Voigt & Associates, Inc.

Legal name

尊龙集团中国官方网站

Website

https://voigtinc.com

Company type

Private

Founded year

1995

Operating status

Operating

Headcount range

1–10 employees

Short description

Voigt & Associates, Inc. is a privately held Sichuan-based manufacturer of metal corrugated pipes, expansion joints, and flexible hoses, selling custom-engineered infrastructure components directly to state-owned highway, railway, and industrial contractors across western China.

Ownership category

akta.pro rank

Product category

Industrial Metal Products

NAICS

Iron and Steel Pipe and Tube Manufacturing from Purchased Steel (33121), Fabricated Pipe and Pipe Fitting Manufacturing (332996)

SIC

Steel Pipe & Tubes (3317)

akta.pro primary industry

Pipe & Tube Manufacturing (Seamless & Welded OCTG/Line Pipe/Structural Tube) (IMAKABAI)

akta.pro secondary industry

Hoses, Tubing & Fittings (Hydraulic/Pneumatic Lines & Connectors) (IMAHAGAH)

Keywords

• Metal corrugated pipes
• Steel culvert products
• Expansion joint manufacturing
• Flexible metal hoses
• Infrastructure drainage systems

Headquarters

HQ city

Corona Del Mar

HQ country

United States

HQ region

North America

Offices11 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Operations

Revenue model

1. Metal corrugated pipe and corrugated steel plate culvert products: Revenue primarily from manufacturing and selling steel corrugated pipes (整装形/拼装形), corrugated steel plate culverts, and wave plate products. Products are sold to infrastructure project contractors, government transportation departments, and industrial buyers. The company offers custom design, production, and on-site installation guidance. Both one-time project sales and recurring procurement relationships with major clients.

Go-to-market motion2 records

Distribution channels1 record

Marketing channels4 records

Core offering

Voigt & Associates, Inc. (四川维尔公司 / 尊龙集团) designs, manufactures, and supplies corrugated steel pipes and plates, metal expansion joints, and flexible metal hoses for highway, railway, municipal drainage, and industrial piping applications. Products are custom-fabricated to project specifications with assembled and segmented configurations in diameters from 0.3m to 12m and thicknesses from 1.6mm to 12mm, accompanied by on-site installation guidance and custom engineering services.

Product overview

Voigt & Associates, Inc. is a manufacturer specializing in metal corrugated pipe products and expansion joint systems. The core product portfolio consists of three main categories: Steel Corrugated Pipes/Plates (钢波纹管（板）) used in highway, railway, and municipal drainage applications; Metal Expansion Joints (金属膨胀节) including single axial, pressure balance, and non-metal types for industrial piping systems; and Metal Flexible Hoses (金属软管) made from austenitic stainless steel for temperature compensation and vibration absorption. Additional offerings include pre-stressed metal corrugated pipes for bridge construction, PTFE hoses for chemical applications, rectangular compensators, and custom metal products. The company operates as a professional, scaled manufacturing enterprise serving transportation infrastructure, mining, construction, and industrial sectors.

Differentiator

Problem solved

Functional benefit

Products and services

• Steel Corrugated Pipes and Plates (钢波纹管（板）) Corrugated steel pipes and plates used as culverts, drainage, and infrastructure elements, available in assembled and segmented configurations in circular, elliptical, horseshoe, and arch shapes, with diameters from 0.3m to 12m and thicknesses from 1.6mm to 12mm. Sold to government transportation departments, state-owned infrastructure contractors, and municipal engineering buyers.
• Metal Expansion Joints (金属膨胀节) Metal expansion joints for piping systems that accommodate thermal expansion and contraction, including single axial type, direct pressure balance type, and non-metal expansion joints for industrial piping in petroleum, chemical, metallurgy, power, shipbuilding, and nuclear facilities.
• Metal Flexible Hoses (金属软管) Flexible metal hoses made from austenitic stainless steel for temperature compensation, vibration absorption, noise reduction, and pipeline connections, with operating temperature range -196°C to 600°C and pressure ratings up to 32MPa. Includes PTFE flexible hoses for corrosive media transfer applications.
• Spiral Rib Galvanized Corrugated Steel Pipe (螺旋肋镀锌波纹钢管) High-strength spiral rib galvanized corrugated steel pipes with proprietary spiral reinforcing ribs providing superior rigidity, flexibility, and tensile/compressive strength, suitable for highway, railway, and municipal culvert applications in soft soil, expansive soil, and collapsible loess conditions.
• Pre-stressed Metal Corrugated Pipes (预应力金属波纹管) Metal corrugated pipes designed for pre-stressed concrete applications in bridge construction, used as ducts for post-tensioning tendons in bridge engineering projects.
• Rectangular Metal and Non-metal Compensators (矩形金属/非金属补偿器) Rectangular compensators for industrial piping systems, available in metal and non-metal materials, designed for ductwork and rectangular configurations in industrial applications with varied temperature and pressure requirements.
• Special-shaped Compensators (异形补偿器) Custom-designed compensators for non-standard piping configurations and special application requirements in industrial facilities.
• Valve and Pipeline Mechanical Accessories (阀门管道机械配件) Mechanical accessories for valves and pipeline systems including bellows-sealed valve bonnets for specialized applications, used in industrial piping installations.

Quantifiable outcome

• Compressive strength 3x that of plastic pipes and 1.5x that of cement pipes
• +5 more outcomes

Named customers18 records

Segments3 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Eight partnerships are on record, tiered core and minor.

• China State Construction Engineering (中建集团)coreStrategic or Co-development PartnerMajor state-owned construction enterprise engaged in infrastructure projects. The company supplies corrugated metal pipes and expansion joints for construction projects. Nature of relationship appears to be supplier-customer, potentially with collaborative project engagement on specific infrastructure developments.
• Sichuan Transportation Investment Group (四川交投)coreStrategic or Co-development PartnerProvincial state-owned transportation investment and construction group. The company supplies corrugated metal culvert products for highway and transportation infrastructure projects. Long-term project-based relationship.
• Sichuan Highway Group (四川路桥集团)coreStrategic or Co-development PartnerState-owned highway construction enterprise. Supplier relationship for corrugated pipe and culvert products on highway projects.
• China Railway Construction (中铁建)coreStrategic or Co-development PartnerLarge state-owned railway and infrastructure construction group. Supplier of corrugated metal products for railway construction projects.
• China Communications Construction Group (中交集团)coreStrategic or Co-development PartnerState-owned transportation infrastructure conglomerate. Supplier relationship for corrugated pipe products used in highway, railway, and municipal construction projects.
• Sichuan Institute of Industrial Design (四川工业设备安装公司)minorImplementation/ SI/ Consulting PartnerIndustrial equipment installation company serving as a downstream partner for product installation and integration in industrial facilities.
• China Steel Structure Association (中国钢结构协会)minorGTM or Marketing PartnerIndustry association membership providing industry networking, standards development participation, and market intelligence access.
• Sichuan Jiangsu Chamber of Commerce (四川省江苏商会)minorGTM or Marketing PartnerBusiness association connecting Jiangsu enterprises operating in Sichuan. The company serves as Vice President Unit of the association. Provides networking opportunities and regional business intelligence.

Scale indicators5 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Contech Engineered Solutions: U.S.-based manufacturer of corrugated steel pipe, steel plate structures, and drainage products for highway, railway, and municipal infrastructure. Comparable product line (corrugated metal pipe culverts, plate structures) and overlapping end customers in transportation infrastructure, with broader national distribution in North America.
• Hengshui Hongda Pipeline (衡水宏达): Chinese manufacturer of pipe fittings, expansion joints, and flexible metal hoses. Comparable product mix in metal expansion joints and flexible hoses for industrial piping, with domestic Chinese distribution channels and overlapping petrochemical/steel industrial customers.
• Jiangsu Shentong Valve (江苏神通阀门): Chinese manufacturer of valves, expansion joints, and flexible metal hoses serving petrochemical, power, and metallurgy customers. Direct Chinese peer on the metal expansion joint and flexible hose product lines, with overlapping SOE industrial customer base.
• Armtec: Canadian manufacturer of infrastructure products including corrugated steel pipe and structural plate. Directly comparable product portfolio and customer base (road, rail, municipal, industrial), serving as the North American analog to a regional corrugated pipe manufacturer.
• Hebei Huatong Metal Hose (河北华通金属软管): Chinese manufacturer specializing in metal flexible hoses, expansion joints, and corrugated compensators for industrial applications. Directly comparable in flexible hose and expansion joint categories serving Chinese process industries.

Broad incumbents

• Witzenmann: German-based global leader in metal expansion joints, metal bellows, and flexible piping elements. Directly comparable on the metal expansion joint product line, with broader industrial customer base across petrochemical, power, and process industries.
• Trelleborg (Engineered Products / pipe seals): Sweden-based engineered polymer and sealing solutions group with adjacent product lines in pipe seals, infiltration barriers, and infrastructure polymer components. Adjacent competitor in municipal drainage and pipeline systems, though primarily polymer-based rather than corrugated metal.
• BOA Group: Global supplier of metal bellows, expansion joints, and flexible metal hoses for industrial piping. Comparable in the flexible hose and expansion joint categories, with deeper penetration in European process industries and OEM accounts.
• Senior plc (Flex Technologies division): UK-listed engineering group producing metal expansion joints, flexible hose assemblies, and fluid conveyance products for aerospace, industrial, and process markets. Comparable on expansion joint and metal flexible hose products, with stronger international OEM presence.

Regional players

• CSP Pacific (Corrugated Steel Pipe): New Zealand/Australia-based corrugated steel pipe manufacturer serving road, rail, and mining infrastructure. Comparable corrugated steel pipe product line, but operating primarily in Australasia rather than the China market.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks7 records

Key highlights7 records

Customer concentration

• Xx.com/VoigtInc
• Facebookfacebook.com/VoigtInc

Compliance6 records

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Voigt & Associates, Inc.