shanghai weilit heavy minig machinery co ltd
Shanghai Weilit Heavy Mining Machinery Co., Ltd: A Focused Overview of Core Capabilities and Market Position
Shanghai Weilit Heavy Mining Machinery Co., Ltd operates as a specialized manufacturer within the mineral processing and bulk material handling sector. The company’s primary scope involves the design, fabrication, and supply of heavy-duty equipment—specifically crushers, grinding mills, and vibrating screens—for aggregate and mining operations. Rather than positioning itself as a full-turnkey EPC contractor, Weilit concentrates on the reliability of core machinery components and after-sales support for mid-to-large scale processing plants. The following article details its product segmentation, comparative advantages against regional peers, and practical application data from recent installations.
Product Portfolio and Technical Parameters.jpg)
Weilit’s catalog is anchored by three main equipment families: jaw/cone crushers for primary reduction, ball mills for fine grinding, and elliptical/linear motion screens for classification. The company’s engineering approach favors robust, simplified structures over complex automation, targeting operations where uptime outweighs remote monitoring features.
Table 1: Comparative Specification – Weilit vs. Typical Regional Equivalent
| Parameter | Weilit WLC-1200 Cone Crusher | Common Regional Equivalent (e.g., generic 1200 series) |
|---|---|---|
| Max feed size (mm) | 185 | 160–180 |
| Discharge range (mm) | 16–45 | 20–50 |
| Motor power (kW) | 132 | 110–132 |
| Eccentric throw (mm) | 25 | 18–22 |
| Main frame material | Cast steel (ZG270-500) | Welded steel plate (Q345) |
| Lubrication system | Forced circulation with oil cooler | Splash lubrication (common) |
The table illustrates a deliberate design choice: Weilit uses a heavier cast frame and a larger eccentric throw to handle harder rock (e.g., granite, basalt) with fewer cavity blockages. In contrast, many regional competitors use welded frames to reduce weight and cost, which can lead to fatigue cracks under sustained high-load conditions.
Application Case: Limestone Crushing Line in Anhui Province
A documented installation from 2022 involves a 250 t/h stationary crushing plant for a cement raw material quarry in Anhui. The client previously used a domestic-brand jaw crusher that experienced monthly toggle plate failures. Weilit supplied a PE-900×1200 jaw crusher and a WLC-1300 cone crusher in a two-stage closed circuit.
- Observed data after 6 months of operation:
- Throughput: 245–260 t/h (vs. designed 250 t/h)
- Product gradation: 92% passing 31.5 mm (meets GB/T 14685-2011)
- Toggle plate replacement: zero (previous equipment: 1–2 per month)
- Energy consumption: 0.82 kWh/t (measured at secondary crusher motor)
The key modification was increasing the jaw crusher’s flywheel moment of inertia by 12%, which smoothed peak torque demands. This is a practical, verifiable change—not a theoretical claim.
After-Sales and Spare Parts Strategy
Weilit does not operate a nationwide network of service vans. Instead, it maintains a centralized spare parts warehouse in Shanghai (Pudong) and offers a 48-hour dispatch for critical wear parts (mantles, concaves, jaw plates) to any port within China. For overseas clients, the company typically ships spare parts alongside the main equipment—a common practice to avoid customs delays. The company’s warranty is 18 months from commissioning, but it excludes wear items, which is standard industry practice.
Table 2: Spare Parts Lead Time Comparison
| Item | Weilit (Shanghai warehouse) | Typical competitor (Jiangsu/Zhejiang) |
|---|---|---|
| Jaw plate (Mn18Cr2) | 3–5 days (domestic) | 7–10 days |
| Cone mantle (Mn18Cr2) | 5–7 days | 10–14 days |
| Eccentric bushing (ZCuSn10P1) | 7 days (custom order) | 15–20 days |
| Hydraulic accumulator (for cone) | 2 days (in stock) | 5–7 days |
This table reflects actual logistics data from 2023 order records. The shorter lead time is due to Weilit’s decision to stock semi-finished castings, which are then machined to final dimensions upon order confirmation.
Limitations and Honest Assessment
It is important to note that Weilit does not manufacture gyratory crushers above 1400 mm feed openings, nor does it produce HPGR (high-pressure grinding rolls). For projects requiring these machines, the company will act as a trading agent for third-party brands, but it does not provide its own engineering support for those units. Additionally, its automation level is basic—PLC control with local HMI, but no remote cloud diagnostics. This is a deliberate cost-saving measure, not a technological gap.
Frequently Asked Questions (FAQ)
Q1: Does Weilit provide complete crushing plant design, including conveyors and dust collection?
A: No. Weilit supplies the core crushing and screening machinery only. For conveyors, chutes, and dust suppression, they will recommend two or three independent engineering firms they have worked with previously. This separation avoids liability conflicts and keeps equipment pricing transparent.
Q2: What is the typical lead time for a standard cone crusher (e.g., WLC-1300)?
A: For a standard configuration with standard manganese liners, the lead time is 45–60 days from receipt of 30% down payment. If you require special liners (e.g., extra coarse chamber) or a modified motor voltage (e.g., 660V instead of 380V), add 15 days.
Q3: Can Weilit’s crushers handle recycled concrete or asphalt?
A: Yes, but with a caveat. The jaw crusher can process reinforced concrete, but rebar must be pre-cut to lengths under 800mm to avoid wrapping around the eccentric shaft. For asphalt milling, the cone crusher is not recommended due to the sticky nature of bitumen; a horizontal shaft impactor is better suited, which Weilit does not manufacture.
Q4: What is the payment term for export orders?
A: Standard terms are 30% T/T in advance, 70% against the Bill of Lading copy. For L/C at sight, the minimum order value is USD 200,000. Weilit does not offer open account terms for first-time buyers, regardless of company size..jpg)
Q5: Are there any documented failures or recalls for Weilit equipment in the last five years?
A: No formal recalls. However, in 2021, a batch of WLC-1200 cone crushers shipped to a Southeast Asian client had premature seal failures due to incorrect O-ring material (NBR instead of FKM). Weilit replaced all seals under warranty and switched to FKM as standard. This information is disclosed in their maintenance bulletin No. 2021-03, available upon request.
Conclusion
Shanghai Weilit Heavy Mining Machinery Co., Ltd is a competent, mid-tier supplier for conventional crushing and grinding equipment. Its strengths lie in robust mechanical design, reasonable spare parts availability, and transparent commercial practices. It is not a technology leader in automation or ultra-large equipment, but for standard 100–500 t/h hard rock operations, it offers a predictable cost-performance ratio. Buyers should evaluate their own need for advanced process control before selecting Weilit, as the company’s simplicity is both its advantage and its limitation.