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Manufacturer & Supplier of Custom Construction Machinery Part Castings with 17 Years' Expertise.

FAQ
1
What types of engineering machinery castings do you mainly produce?

 We specialize in the R&D and production of critical wear-resistant parts for engineering machinery. Our core product lines include three major categories: high-strength wear-resistant bucket teethblade end bits (main blade boards), and wear plates.

We also offer highly flexible custom casting services, capable of producing various non-standard engineering machinery castings based on customer-provided drawings or samples.

Our "Yuezhong" brand blade end bits and bucket teeth are particularly well-regarded flagship products. Manufactured from premium wear-resistant materials using advanced processes, they offer exceptional durability and impact resistance.

These products perfectly fit a wide range of heavy-duty equipment like loaders, excavators, and bulldozers, and are extensively used in demanding sectors such as mining, infrastructure construction, and road building.

In terms of compatibility, our products match equipment from leading domestic andinternational OEMs including XCMG, Volvo, Lingong, Caterpillar, SEM, and Shantui.

We serve both as a high-quality supplier of original equipment manufacturer (OEM) parts and a one-stop solution for end-users' replacement part needs, providing a reliable choice for enhancing equipment uptime and reducing long-term operational costs.

2
What are the core advantages of your "Yuezhong" blade end bits and bucket teeth compared to ordinary cast steel products?

The core advantages of our "Yuezhong" blade end bits and bucket teeth lie in their superior durability and consistent high quality, offering a complete performance surpass over ordinary cast steel.

The most significant benefit is their wear resistance. Testing shows their service life is 3-4 times that of ordinary cast steel products, drastically reducing equipment downtime for replacement and significantly lowering overall operational costs.

We enforce strict casting process control throughout production, adhering to standards far exceeding industry norms. This ensures a dense internal structure in the final product, eliminating common casting defects like blowholes, sand inclusions, scabs, or cracks.

The products feature a high surface finish, ensuring a tight fit during assembly and smoother, more reliable operation.

Even under severe working conditions like high-wear, heavy-load operations and extreme temperature swings, "Yuezhong" products exhibit excellent fracture resistance and structural stability, effectively resisting deformation and sudden breakage.

They are the ideal upgrade for loader and excavator bucket components and have become the preferred wear parts for many large-scale mining and construction projects.

3
Do your castings have casting defects like blowholes, sand inclusions, or cracks?

We adhere to a "zero-defect" philosophy as the core goal of our quality management. For engineering machinery castings like blade end bits, bucket teeth, and wear plates, we have implemented a multi-layered quality control system from start to finish, designed to fundamentally prevent casting defects.

At the production front end, we use advanced molding and high-purity melting techniques to ensure molten steel purity. The pouring stage employs intelligent temperature control systems for precise regulation, avoiding internal flaws from temperature fluctuations.

All finished products must undergo rigorous non-destructive testing (ultrasonic or magnetic particle inspection) and dimensional accuracy inspection to ensure internal soundness and dimensional compliance.

Each batch of shipped products is accompanied by an authoritative test report certifying its quality. Our delivered products are smooth and clean on the surface with a dense, uniform internal structure, meeting not only national standards but also the stringent OEM standards of international manufacturers.

Our long-term, stable partnerships with renowned companies like XCMG and Volvo Lingong, along with a near-100% defect-free delivery rate, stand as strong proof of our exceptional quality control capability.

4
What material are your high-strength wear-resistant castings made of?

Our high-strength wear-resistant castings use a premium grade low-alloy high-strength wear-resistant steel as the core base material. This material inherently offers high strength, good toughness, and excellent wear resistance potential, making it ideal for engineering machinery wear parts.

To maximize its performance, we integrate it with our proprietary CNC semi-automated heat treatment line process. Through refined heat treatment processes like quenching and tempering, we transform the casting's microstructure.

This process precisely controls heating temperature, holding time, and cooling rate. It creates a hardened surface layer with a hardness of 58-62 HRC to effectively resist abrasion, while maintaining an exceptionally tough core to absorb impact energy and prevent brittle fracture.

This "hard outside, tough inside" characteristic allows our bucket teeth and blade end bits to withstand heavy-load impact and severe abrasion in applications like mining and construction waste processing, offering a service life more than 3 times longer than ordinary material parts.

5
Can your products adapt to severe working conditions (e.g., high-wear, heavy-load environments)?

Absolutely. Our high-strength wear-resistant bucket teethblade end bits, and wear plateseries are specifically R&D-designed to tackle severe working conditions, excelling in high-wear, heavy-load, dusty environments with hard materials.

At mining sites processing materials like iron ore or granite, our products withstand continuous impact and friction, demonstrating outstanding wear stability and avoiding rapid failure.

In infrastructure construction earthwork, even with prolonged contact with soil mixed with gravel, the strengthened wear-resistant layer on the part's surface effectively resists scraping, significantly extending replacement cycles.

Our products undergo rigorous mechanical testing, showing remarkable fracture resistance and the ability to withstand impact loads exceeding 200MPa. Their material properties remain stable in extreme temperatures from -40°C to 60°C, preventing cracking from thermal stress.

For years, our products have earned widespread customer trust for their reliable durability in demanding projects across major domestic mines and key western infrastructure developments.

6
Do you provide services for customizing castings based on drawings or samples?

Yes, we possess robust custom casting service capabilities. We can fully undertake the R&D and production of various engineering machinery castings based on your drawings, samples, or specific technical parameters, including bucket teeth, blade end bits, wear plates, and complex non-standard structural parts.

Our process starts with in-depth communication. Our engineering team will thoroughly understand your equipment model, specific working condition characteristics, and performance expectations.

We then review and optimize the design for both functionality and production feasibility. From mold making to final shipment, products undergo full-dimensional inspection and performance testingto ensure 100% compliance with agreed standards.

We respond agilely to requests for replacement parts for older equipment or development parts for new models. We also accept small-batch custom orders with controllable delivery cycles and have successfully developed high-wear-resistant casting solutions for many customers facing unique working conditions.

7
What technical standards does your heat treatment process follow?

 Our heat treatment process strictly adheres to high international and domestic standards, including the ISO 683-13 heat treatment standard and GB/T 16253 high-quality casting standard. It also integrates specifications from leading OEMs like XCMG and Caterpillar.

Our operational CNC semi-automated heat treatment line features intelligent temperature control and automatic quenching devices. This enables uniform heating (furnace temperature variance within ±5°C) and precise quenching, preventing performance inconsistencies from uneven treatment.

Complete data records are kept for every batch, tracing key parameters like heating temperature, holding time, and cooling rate. This ensures the hardness, toughness, and wear resistance of our castings are stable and verifiable.

This mature, rigorous process is the fundamental guarantee of our products' excellent and consistent performance, allowing them to meet technical requirements across global markets.

8
Can you meet special requirements for the surface finish of castings?

We are fully capable of meeting various special requirements for casting surface finish.

For our standard "Yuezhong" blade end bits and bucket teethsurface roughness is consistently controlled below Ra 3.2μm, making them ready for direct assembly.

For precision castings requiring higher standards, we can employ finishing processes like grinding, polishing, or precision milling to achieve surface roughness of Ra 1.6μm or better, suitable for hydraulic components or high-precision fittings.

We develop surface treatment solutions for different applications. For example, shot blasting + coating for corrosion resistance, or local precision finishing via CNC machining centers for parts demanding extremely tight assembly fits.

We have extensive experience successfully supplying custom castings that meet the stringent surface quality standards of several high-end equipment manufacturers.

9
How do you ensure the dimensional accuracy of your cast products?

We ensure product quality through a full-process dimensional accuracy control system. We commit to controlling casting dimensional tolerance within ±0.5mm, with key assembly dimensions achieving ≤ ±0.2mm.

Our safeguards include: using high-precision molds pre-production; employing intelligent pouring equipment during casting; and utilizing advanced inspection equipment like coordinate measuring machines (CMM) for full-dimensional inspection plus sampling inspection of critical areas at the final stage.

Furthermore, we understand OEM assembly needs. We calibrate product assembly holes and fitting surfaces with reference to OEM standards from companies like XCMG and Volvo, ensuring our parts allow for seamless assembly without customer rework.

The dimensional qualification rate for our long-term OEM-supplied products consistently exceeds 99.8%.

10
Do you have the capability to develop new casting products based on customer requirements?

Leveraging over 17 years in engineering machinery casting and an interdisciplinary R&D team(materials science, mechanical design, casting processes), we possess strong new casting product development capabilities.

Our professional labs and pilot production lines support a complete development cycle from concept to mass production. Upon receiving a request, our team analyzes the application scenario and working condition requirements, performs material selection and structural design, and optimizes performance via simulation testing.

This is followed by small-batch trials and field testing, with final定型 based on feedback. We successfully developed the "Yuezhong" series blade end bits and bucket teeth, and have since created products like lightweight wear-resistant bucket teeth for compact equipment and low-temperature resistant castings for extremely cold regions per customer needs.

We welcome challenges and offer one-stop R&D services from design to delivery, helping jointly enhance your equipment's market competitiveness.

11
Which renowned OEMs do you cooperate with, and how long has the cooperation been?

We have established deep, enduring strategic partnerships with several top-tier domestic and international OEMs, most lasting over 10 years.

Domestically, we are a core wear-resistant parts supplier for leaders like XCMG Group and Shantui Co., Ltd., providing key castings such as bucket teeth and blade end bits for their loaders, excavators, and bulldozers.

Internationally, we are a preferred supplier for brands like Volvo Lingong and Caterpillar (SEM), having passed their stringent quality system certifications.

This long-term OEM cooperation continuously aligns our processes and standards with international best practices and allows us to participate deeply in early-stage new model development, pre-planning parts technology.

These successful partnerships are the best endorsement of our comprehensive strength and have provided us with unparalleled experience to serve end customers more precisely.

12
What is the annual production capacity for your castings and heat-treated high-strength wear-resistant steel?

We operate a large-scale, modern production base spanning 30,000 sqm, with 18,000 sqm of standard workshop space. It houses 6 professional casting production lines, 2 advanced CNC semi-automated heat treatment lines, plus complete raw material pre-processing and finished product inspection facilities.

Currently, our annual capacity for various engineering machinery castings (bucket teeth, blade end bits, wear plates, etc.) exceeds 8,000 tons.

Simultaneously, our annual processing capacity for heat-treated high-strength wear-resistant steel reaches 20,000 tons. This not only meets our in-house needs but also allows us to offer professional heat treatment subcontracting services.

Strong production capacity reserves and efficient management let us comfortably handle large orders. Even for urgent requests, flexible scheduling ensures delivery timeliness. Our historical on-time order delivery rate consistently stays above 98%.

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Our company is willing to provide various specifications of casting accessories and customized services for the manufacturers and construction machinery accessories dealers of the loader and excavators.
Contact Us
Contact person: Manager Wang
Tel: +86 159 5392 2721
Address:

West side of National Highway 206, Liuguanzhuang Town, Ju County, Rizhao City, Shandong Province, China

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