What Speech 4 Kids does

中船机械 (Nantong China Ship Machinery) is a privately held Chinese marine equipment manufacturer founded in 1990 and headquartered at 118 Xinkai Road, Nantong Economic and Technological Development Zone, Jiangsu Province. The company produces a comprehensive range of marine deck and cabin machinery including shell-and-tube and plate heat exchangers (0.4m²-1000m² and 0.4m²-512m² design ranges respectively), spark arrestor mufflers (noise reduction up to 45dB), hot well units, pressure and hot water tanks, air bottles, oil and water filters, engine room cranes, cargo provision cranes, monorail cranes, anchor windlasses, winches, lifeboat davits and release devices, hollow-fiber-membrane nitrogen generators (purity ≥97%), hull-mounted coolers, kitchen waste crushers, radiators, hose handling cranes, expansion joints, titanium condensers, and tank cleaning water heaters. Its products are certified by CCS, DNV, LR, GL, ABS, BV, RINA, NK, and KR classification societies, and the company holds ASME U-Stamp certification for pressure vessels.

The company operates a direct sales model with regional service offices in Dalian, Guangzhou, and Shanghai providing proximity to China's three primary shipbuilding clusters. Its customer base consists of major Chinese shipyards and joint ventures including Hudong-Zhonghua (沪东中华), Jiangnan Shipyard (江南造船), Shanghai Shipyard (上海船厂), Guangzhou Shipyard International (广船国际), Dalian Shipbuilding Heavy Industry (大连船舰重工), Bohai Shipbuilding Heavy Industry (渤海船舰重工), Qingdao Beihai Heavy Industry (青岛北海重工), and COSCO Kawasaki (中远川崎). Revenue is generated through one-time product sales with secondary after-sales service and spare parts revenue. Pricing is not publicly disclosed and is handled through direct inquiry to the marketing department.

The company's R&D model rests on long-term industry-academia-research partnerships with Nanjing University of Aeronautics and Astronautics, Hefei General Machinery Research Institute, and Shanghai 704 Research Institute, with approximately 10% of annual investment allocated to R&D. It holds 26 national patents including 3 invention patents, has led the development of 1 national standard and 2 industry standards for marine heat exchangers, and participated in 2 additional industry standards. A self-funded Heat Exchange Equipment Testing Center and Mechanical Properties Testing Center, built in 2007 and granted national and defense laboratory testing qualifications in 2014, supports both product certification and new product development. The company is recognized as a National High-Tech Enterprise, Jiangsu Private Technology Enterprise, Jiangsu Standardization Good Behavior 4A Enterprise, and Nantong Top 50 Industrial Tax-Paying Enterprise. Registered capital is 10 million CNY; no parent company, subsidiaries, or external investment have been disclosed.

Name

Speech 4 Kids

Legal name

中船机械

Website

https://speech-4-kids.com

Company type

Private

Founded year

1990

Operating status

Operating

Headcount range

11–50 employees

Short description

中船机械 (Nantong China Ship Machinery) is a privately held Chinese manufacturer of marine deck and cabin machinery, including heat exchangers, cranes, valves, and lifesaving equipment, certified by major classification societies and serving Chinese shipyards such as Hudong-Zhonghua, Jiangnan Shipyard, and COSCO Kawasaki.

Ownership category

akta.pro rank

Product category

Marine Equipment Manufacturing

NAICS

Ship and Boat Building (33661), Ship Building and Repairing (336611)

SIC

Ship & Boat Building & Repairing (3730)

akta.pro primary industry

Piping, Valves & Pumps (Deck/Service Systems Components) (IMAJAIAI)

akta.pro secondary industries

Life-Saving Appliances & Safety Equipment (Davit Systems, Lifeboats, Firefighting) (IMAJAIAG), Deck Fittings & Hardware (Bitts, Fairleads, Cleats, Anchors & Chains) (IMAJAIAK)

Keywords

• Marine heat exchangers
• Ship deck machinery
• Marine cabin equipment
• Pressure vessel manufacturing
• Shipbuilding components

Headquarters

HQ city

Santa Monica

HQ country

United States

HQ region

North America

Offices4 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Supply Chain, Technology or R&D, Operations, Marketing or Sales, Infrastructure

Revenue model

1. Marine Machinery Manufacturing and Sales: Manufactures and sells ship deck machinery, cabin machinery, and related marine equipment to shipyards and maritime engineering companies. Revenue is generated through direct product sales, with ongoing after-sales service and spare parts as secondary revenue streams.

Distribution channels1 record

Marketing channels1 record

Core offering

中船机械 manufactures and sells marine deck and cabin mechanical equipment, including shell-and-tube and plate heat exchangers, spark arrestor mufflers, hot well units, pressure/hot water tanks, air bottles, oil/water filters, overhead cranes, anchor windlasses and winches, lifeboat davits and free-fall release devices, nitrogen generators, hull-mounted coolers, kitchen waste crushers, radiators, hose handling cranes, expansion joints, titanium condensers, and tank cleaning water heaters. Products are custom-manufactured to customer specifications and certified by major classification societies (CCS, DNV, LR, GL, ABS, BV, RINA, NK, KR) for shipyards and offshore marine engineering projects.

Product overview

中船机械 (Nantong China Ship Machinery Co., Ltd.) is a manufacturer of marine deck and cabin mechanical equipment. The company produces shell-and-tube/plate heat exchangers, spark arrestor mufflers, hot well units, pressure/hot water tanks, air bottles, oil/water filters, overhead cranes, cargo provision cranes, monorail cranes, anchor windlasses, winches, lifeboat davits and release devices, nitrogen generators, hull-mounted coolers, kitchen waste crushers, radiators, hose handling cranes, expansion joints, titanium condensers, and tank cleaning heaters. Products are widely used in marine engineering, ships, oil fields, chemical, and power industries, serving major domestic shipyards including Hudong-Zhonghua, Jiangnan Shipyard, Shanghai Shipyard, Guangzhou Shipyard, Dalian Shipbuilding Heavy Industry, Bohai Shipbuilding Heavy Industry, Qingdao Beihai Heavy Industry, and COSCO Kawasaki.

Differentiator

Problem solved

Functional benefit

Products and services

• Shell-and-Tube Heat Exchangers (管壳式热交换器) Heat exchangers including atmospheric condensers, lube oil/fuel oil coolers, water coolers, seawater heaters, cylinder water heaters, oil heaters, and vacuum condensers. Design range 0.4m2-1000m2. Certified by CCS, LR, GL, DNV, ABS, BV, RINA, NK classification societies. For shipyards and marine engineering applications.
• Plate Heat Exchangers (板式换热器) Plate-type heat exchangers with herringbone, straight, trapezoidal, and zigzag plate patterns. Design range 0.4m2-512m2. Materials include titanium plate and stainless steel. Features high heat transfer efficiency, compact size, and easy maintenance. For marine engine cooling and process applications.
• Spark Arrestor Mufflers (火星熄灭消音器) Spark arrestors and mufflers in collection type, collision type, and negative pressure types. Noise reduction up to 45dB. Sizes DN65-DN1800. Materials include stainless steel, carbon steel, and copper. Certified by CCS, GL, LR. For marine engine exhaust systems.
• Hot Well Units (热井单元) Combined hot well units for marine steam condensate systems. Design range 0.5m3-50m3. Carbon steel construction. Compact structure integrating hot well, atmospheric condenser, and accessories.
• Pressure Water Tanks (压力水柜) Vertical, horizontal, split, and integrated pressure water tanks. Design range 0.1m3-5m3. Used for fresh water and sanitation water systems on ships.
• Hot Water Tanks (热水柜) Hot water tanks with steam, electric, electric-steam dual, or hot oil heating. Design range 0.1m3-5m3. Materials include stainless steel and carbon steel. Maintains water temperature at 60-80°C.
• Air Bottles (空气瓶) Compressed air storage devices for various start or control systems. Available in vertical and horizontal configurations. Components include body, intake/exhaust valves, pressure gauges, drain valves, and safety valves.
• Oil Filters/Water Filters (油滤器/水滤器) Oil filters widely used in ship fuel and lube oil piping systems with DN25-DN500 sizes and 50μm minimum filtration accuracy. Water filters for DN25-DN900 sizes protecting against marine organisms.
• Engine Room Overhead Cranes (机舱行车) Engine room overhead cranes for cargo handling in ship engine rooms. Feature gear-rack drive for longitudinal and lateral movement. Designed for 5° trim and 2° list.
• Cargo Provision Cranes (货索吊) Multi-purpose hoisting cranes for food provisions and equipment loading. Compact, lightweight design for easy installation. Used as food and provision handling cranes on vessels.
• Monorail Cranes (单轨吊) Moving monorail cranes with two lifting devices. Motor-driven, flexible and safe. Capacity 1-12.5t, lifting height 40m, outreach 5m. Used for crew supplies and ship equipment.
• Anchor Windlasses/Winches (锚机/绞车) Various anchor windlasses, winches, or combined anchor-windlass systems. Available in electric and hydraulic drive configurations for vessel mooring and anchoring operations.
• Lifeboat Davits/Release Devices (救生艇吊艇架/降放装置) Free-fall lifeboat release devices and lifeboat davits. Models include SHS/SSS hinged type and STS sliding type. Certified to SOLAS and Japanese government requirements. Critical vessel safety equipment.
• Nitrogen Generators (制氮机) Hollow fiber membrane air separation nitrogen generators. Purity ≥97%. Used for fire/explosion prevention, anti-corrosion, and atmosphere control on tankers, LNG vessels, and chemical ships.
• Hull-Mounted Coolers (舷外冷却器) External hull coolers providing effective cooling systems for inland and sea vessels. Uses natural water circulation for cooling without requiring secondary cooling water pumps or filters.
• Kitchen Waste Crushers (厨房污物粉碎机) Kitchen food waste crushing devices certified by CCS. Uses high-speed rotating discs and blades to crush food waste discharged through drainage pipes.
• Radiators/Heaters (散热器/暖风机) Steam or hot water air heating radiators. Three models A, B, C with heating area 0.5-6㎡. Made of copper tubes and stainless steel shells for efficient heat transfer.
• Hose Handling Cranes (软管起重机) Hose handling cranes for oil tankers, chemical carriers, LPG and LNG vessels. Various specifications available with custom design options for marine hose handling operations.
• Expansion Joints (膨胀节) Pipeline expansion joints that compensate for thermal expansion and contraction. Capable of withstanding thermal stress and vibration from pressure pulses in marine piping systems.
• Titanium Condensers (钛冷凝器) Titanium condensers for marine applications. Features corrosion resistance and high thermal efficiency. For shipboard steam and process systems.
• Tank Cleaning Water Heaters (洗舱水加热器) Tank cleaning water heaters for supplying high-temperature seawater to clean oil tanks on oil tankers.
• Thermal Medium Water Supply Units (热媒水供应装置) Thermal medium water supply units for various ship applications requiring heated water circulation.
• Plate Coolers (板冷) Plate-type coolers for marine engine cooling systems. Provides efficient heat dissipation for shipboard engine and machinery spaces.

Quantifiable outcome

• Annual R&D investment of approximately 10% of total investment

Named customers8 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Three partnerships are on record, tiered core.

• Nanjing University of Aeronautics and Astronautics (南京航空航天大学)coreStrategic or Co-development PartnerLong-term industry-academia-research cooperation. The company leverages the university's technical expertise to improve product technology content and innovation capability, with approximately 10% of annual investment allocated to R&D.
• Hefei General Machinery Research Institute (合肥通用机械研究院)coreStrategic or Co-development PartnerLong-term industry-academia-research cooperation for technology development and product innovation in pressure vessels and heat exchange equipment.
• Shanghai 704 Research Institute (上海704所)coreStrategic or Co-development PartnerLong-term research cooperation supporting product development for marine applications. The institute provides technical support for product innovation in marine mechanical systems.

Scale indicators5 records

Recent moves8 records

Expansion highlights4 records

Regional players

• Jiangsu Shenling Marine Equipment: Jiangsu-based Chinese manufacturer of marine heat exchangers, pressure vessels, and deck machinery serving domestic shipyards. Regional peer with similar product mix, classification society certifications, and Chinese shipyard customer base.
• Dalian Shipbuilding Heavy Industry (DSHI) Equipment Division: Equipment manufacturing arm of one of China's largest shipbuilders, supplying marine machinery to internal and external shipyard customers. The subject company lists Dalian Shipbuilding Heavy Industry as a customer, indicating comparable product offerings within the same regional shipyard ecosystem.

Direct peers

• TGE Marine Gas Engineering: German marine engineering firm specializing in gas handling systems, including nitrogen generators and inert gas systems for LNG, LPG, and chemical tankers. Overlaps with the subject company's hollow fiber membrane nitrogen generation and tanker-focused equipment lines.
• Alfa Laval: Swedish global leader in heat transfer, separation, and fluid handling, with a substantial Marine division producing shell-and-tube and plate heat exchangers, freshwater generators, and boiler systems for shipyards and shipowners. Directly comparable core offering in marine heat exchange equipment sold to the same shipyard customer base.
• Kongsberg Maritime: Norwegian supplier of marine equipment including deck machinery, winches, and integrated vessel systems for commercial and offshore vessels. Comparable in deck machinery and lifesaving product categories with broader system-integration scope.
• IHI Power Systems Co., Ltd. Japanese manufacturer of marine heat exchangers, pressure vessels, and engine room machinery serving commercial shipyards. Direct peer in the marine heat exchange and pressure vessel space with comparable classification society certifications.

Broad incumbents

• Wärtsilä: Finnish marine systems integrator providing engine room equipment, gas systems, and HVAC for vessels, alongside broader marine solutions and lifecycle services. Overlaps with the subject company in cabin machinery and lifesaving-adjacent systems, though Wärtsilä operates at a substantially larger scale and broader portfolio.
• Hyundai Heavy Industries: Korean shipbuilder and marine engine manufacturer producing its own marine equipment and supplying integrated vessel solutions. Comparable as a vertically integrated supplier of marine machinery to shipyards, but at substantially larger scale and broader scope.
• Mitsubishi Heavy Industries Maritime Systems: Japanese diversified industrial manufacturer producing marine heat exchangers, pressure vessels, deck machinery, and integrated shipbuilding systems. Overlaps with the subject company across most marine equipment categories with deeper engineering and broader portfolio.

Others

• Caledonian Marine Services (CalMac) and similar marine equipment distributors: Marine equipment distributors and after-sales service providers operating in shipyard and shipping hubs. Indirect comparables representing the distribution and aftermarket service channel where the subject company could expand its regional service network footprint.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks1 record

Key highlights7 records

Customer concentration

• Facebookfacebook.com/speech4kids

Compliance11 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

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 Speech 4 Kids