Hunan Chengzhai Machinery Equipment Co., Ltd. Company profile

Chengzai Machinery mainly operates products suitable for imported brands of road machinery, mining equipment, construction machinery, generator sets, ship power systems, etc.: drilling rig spare parts, air compressor spare parts, tunneling machine spare parts, excavator-loader spare parts, engine spare parts, mining, rock excavation and rock processing equipment, tools, parts, and so on.

Main brands carried by Chengzai Machinery: Ingersoll-Rand, Atlas, Ingersoll-Rand, Sullair, Sandvik, Mannheim MWM, MAN Germany, Caterpillar, Volvo, Perkins, DEUTZ, MTU Mercedes-Benz, etc.

1. Diesel engine parts, generator set parts,Gas-fired generating unit parts and components Engine assembly, cylinder liner assembly, piston assembly, four kitting, piston, connecting rod, piston pin, crankshaft, camshaft, overhaul kit, turbocharger, middle cylinder assembly, cylinder head assembly, valve chamber cover, intake valve, exhaust valve, intake valve seat insert, exhaust valve seat insert, door spring, valve lock plate, intake and exhaust valve guide, fuel injector assembly, fuel injector, diesel pump (high-pressure oil pump) assembly, pressure relief valve, intake manifold, exhaust manifold, cylinder liner, piston ring, connecting rod pad, spindle pad, thrust plate, oil pump assembly, oil radiator, cooling water tank, upper and lower water pipes, fan blades, timing gear room, cover, crankshaft timing gear, water pump assembly, starting motor, charger, flameout switch, storage battery, cylinder head assembly, cylinder block, oil pressure sensor, thermostat, high-pressure oil pipe, speed sensor, temperature sensor, air filter, oil filter, diesel filter, etc.

2: Hydraulic parts (hydraulic pump, hydraulic valve, hydraulic cylinder, hydraulic motor)

Pilot pump assembly, hydraulic oil radiator, main control valve assembly, radiator core, muffler, filter, filter, hydraulic oil filter, pilot filter, hydraulic oil radiator, hydraulic pump assembly, rotary pump, travel pump, distribution valve, hydraulic valve, hydraulic cylinder, travel reducer assembly, travel motor assembly, etc.

3: Generator set, generator set accessories, controller, voltage regulator, speed regulator, solenoid valve, actuator, Stanford motor ball, brushless/brushed generator instrument box, etc.

4: Idle equipment scheduling, engineering machinery and equipment, powertrain, mining equipment, gearbox, etc.

Bulldozers, loaders, excavators, mining vehicles, diesel generator sets, gas engine generator sets, ship engines, diesel powertrains, etc.

Development History

The original vision was established; we have been deeply committed to the real economy.

Since its inception, Baoyang Machinery has focused on the construction machinery and mining power equipment sectors. In the early stages of its establishment, imported equipment in the industry faced common challenges such as high component prices, prolonged delivery cycles, slow after-sales response, and chaotic market supply chains. Numerous industrial, mining, and infrastructure enterprises frequently experienced production halts due to component shortages, resulting in substantial economic losses.

Based on industry pain points and market demands, the team established its core mission: to break the monopoly of imported components, make high-quality parts readily available, and empower the engineering sector through professional services. The company was named "Bearing," symbolizing its commitment to fulfilling industry missions, upholding customer trust, and advancing the ideals of the real economy.

Accumulate steadily and consolidate the foundation.

In the early stages of development, the team focused on frontline markets, visiting mining, infrastructure, and shipbuilding enterprises across the country to conduct in-depth research on the operational challenges and component requirements of various imported equipment under different operating conditions. Simultaneously, they integrated global premium supply chain resources, collaborating with original equipment manufacturers (OEMs)and high-quality OEM production bases in Europe and America to select cost-effective and highly compatible equipment components.

Through years of refinement, we have progressively established a standardized warehousing system and built a comprehensive parts model database covering all imported equipment categories—including drilling rigs, engines, generator sets, and marine power systems—effectively resolving customers' challenges in parts selection and procurement.

Innovative upgrades and diversified development

As its business scope continues to expand, the company has moved beyond its sole focus on component sales. Leveraging years of industry service expertise, it has extended its business portfolio by introducing complementary services such as equipment maintenance, customized solutions, and non-standard component customization. This transformation has elevated the company from a standalone component supplier to a one-stop comprehensive solution provider for imported equipment.

Over the years, we have rejected low-cost, substandard business practices and steadfastly upheld our core principles: authentic products, transparent pricing, and professional service. This commitment has earned us a vast base of loyal customers both domestically and internationally, with our operations spanning across China and extending to numerous overseas markets.

Looking ahead, let us move forward with unity.

To this day, Baoyang Machinery has remained true to its founding mission, placing customer needs at the core while continuously optimizing its supply chain system and enhancing its technical service capabilities. Moving forward, we will deepen our expertise in four key sectors—mining, infrastructure, shipbuilding, and power generation—constantly refining our product portfolio and service offerings. We are committed to becoming a highly influential domestic supplier of supporting services for imported construction machinery, helping clients across various industries reduce costs and improve efficiency while creating long-term value together.

I. Company Services

Hunan Baocheng Machinery Equipment Co., Ltd. specializes in five key sectors: road construction machinery, mining equipment, construction machinery, generator sets, and marine power systems, with deep expertise in the imported engineering equipment supply industry. Leveraging a global supply chain and a seasoned technical team, the company provides comprehensive one-stop services—including parts supply, equipment maintenance, and customized solutions—to clients in infrastructure construction, mining, shipping, and power generation industries, effectively addressing industry challenges such as component shortages, complex maintenance requirements, and difficult equipment selection.

1. Supply of imported accessories

We supply a comprehensive range of spare parts for drilling rigs, air compressors, tunnel boring machines, loading equipment, and diesel engines, covering mining and excavation equipment, rock processing machinery, and various precision components. Our partners include global leading import brands such as Epiroc, Atlas, Sandvik, Caterpillar, Volvo, MTU, Dozer, and Perkins. Our inventory features both original factory parts and high-quality OEM components, offering ample stock and complete model coverage to support both individual purchase orders and long-term bulk procurement agreements.

2. Equipment Maintenance and Repair

We specialize in the maintenance and repair services for imported power equipment and mining engineering machinery, offering services including fault diagnosis, parts replacement, routine maintenance, major overhauls, and equipment upgrades. Our technical team is well-versed in the structure and common faults of major equipment brands, enabling us to provide on-site repair services that effectively reduce equipment failure rates, minimize downtime losses, and help enterprises control operational and maintenance costs.

3. Customized Supporting Solution

tailored to customer project conditions, equipment models, and budget plans, we develop customized inventory strategies, long-term maintenance solutions, and spare parts stock plans that meet the routine operational needs of large-scale mining and infrastructure projects. Additionally, we support OEM customization of non-standard components, enabling part-specific solutions based on part numbers and construction drawings to address procurement challenges under specialized operating conditions.

4. One-stop value-added services

• Efficient logistics: Our own warehousing facilities enable direct nationwide shipping of stock items and support cross-border delivery both domestically and internationally.

• Technical Support: Free one-on-one consultation services including component selection, fault analysis, and equipment maintenance.

• After-sales Guarantee: Strictly control product quality, enhance the after-sales service system, and respond promptly to customer needs.

Guided by our business philosophy of prioritizing quality and excellence in service, we are committed to becoming the industry's leading provider of cost-effective imported equipment solutions, working hand in hand with clients worldwide for mutual success.

Our Team

Talent serves as the cornerstone of corporate development, while trust and expertise form the fundamental ethos of our mechanical team. We boast a multidisciplinary professional team integrating supply chain procurement, technology R&D, after-sales maintenance, and market operations. Each member has extensive experience in the construction machinery components industry, possessing deep understanding of equipment, products, operational conditions, and customer needs.

Professional Procurement Team

The procurement team has deep expertise in global supply chains, maintaining long-term partnerships with leading equipment brands and original manufacturers in Europe and the United States. They possess comprehensive knowledge of industry market trends and product specifications. The team rigorously screens sourcing channels and implements dual quality inspections to ensure product reliability, eliminating substandard components at the source. This guarantees all products available for sale are genuine, well-matched, and offer exceptional value for money. Additionally, they optimize inventory management to maintain ample stock levels and timely deliveries.

Senior Technical Team

Our technical experts possess extensive experience in mining and engineering equipment maintenance, with profound expertise in the structure, failure mechanisms, and maintenance protocols of various imported equipment brands such as Abatto, Caterpillar, Volvo, and MTU. They provide comprehensive technical support—including component selection matching, equipment troubleshooting, daily maintenance guidance, and major overhauls—to efficiently resolve diverse equipment-related technical challenges.

Efficient service team

The customer service and sales teams operate under a one-on-one dedicated service model. They are well-versed in construction conditions across various industries and can swiftly recommend suitable products tailored to each client's project needs, while developing customized solutions. The team maintains a 24/7 rapid response system to promptly address client inquiries, track order progress, resolve after-sales issues, streamline procurement processes, and reduce communication and purchasing costs for clients.

Team Culture

We uphold a team culture characterized by pragmatism, integrity, professionalism, and mutual benefit. Internally, we collaborate and support one another; externally, we treat everyone with sincerity. All members unite in purpose, rejecting extensive management practices and committing to serving every client with professional expertise. With a pragmatic approach, we deepen our expertise within the industry and earn market recognition through honest business conduct.

In the future, the founding team will continue to learn and improve, delivering higher-quality products and more comprehensive services to reward every partner.