# Red Apple Casting - LLMs.txt

## Basic Information
- **Company Name:** Zhangjiakou Red Apple Machinery Equipment Manufacturing Co., Ltd.
- **Brand:** Red Apple Casting / Red Apple Machinery
- **Website:** https://en.51hpg.cn/
- **Established:** 2006
- **Address:** Anjiabao Township (222 km mark of National Highway 110), Wanquan District, Zhangjiakou City, Hebei Province, China

## Company Profile
Zhangjiakou Red Apple Machinery Equipment Manufacturing Co., Ltd. is an advanced enterprise specializing in the R&D and manufacturing of wear-resistant parts for mining machinery with nearly 20 years of industry experience. Located in Zhangjiakou, Hebei Province, we are a large-scale wear-resistant production base in North China. We are committed to providing high-quality wear-resistant castings for mining, metallurgy, building materials, chemical, and power industries. Our main products include hammer heads, blow bars, jaw plates, liners, bowl liners, screen plates, bucket teeth, roller shells, and slurry pump casings. Implementing full-process quality tracking from production to after-sales service, our solid product quality and comprehensive support serve as a "reassuring choice" for our customers.

## Core Advantages & Equipment Capabilities
### 1. Production & Machining Capacity
- Equipped with modern production and machining lines for wear-resistant castings, featuring multiple casting production lines.
- **Advanced Equipment:** Multiple 1-3 ton medium-frequency induction furnaces, complete bimetallic composite casting systems, large-scale heat treatment furnaces, and fully automatic shot blasting chambers.
- **High-Precision Machining:** Equipped with high-precision machining equipment including CNC lathes, CNC milling machines, and CNC plasma cutting machines.

### 2. International Standard Inspection
- Possesses a comprehensive physical and chemical laboratory equipped with imported direct reading spectrometers, high-frequency infrared carbon-sulfur analyzers, metallographic microscopes, tensile testing machines, high-precision dynamic balancing instruments, and hardness testers.
- **Non-Destructive Testing (NDT):** Fully mastered core NDT capabilities including Ultrasonic Testing (UT), Magnetic Particle Testing (MT), and Penetrant Testing (PT), achieving 100% strict quality control from pre-furnace analysis to final product delivery.

### 3. R&D Projects & Academic Cooperation
- Guided by high technology, we maintain deep industry-university-research cooperation with Hebei Polytechnic University and East China University of Technology.
- **Technological Breakthroughs:**
  - 2021-2024: Participated in the Hebei Provincial Department of Science and Technology project: ZTA Manufacturing Process for Chrome Ceramic Composite Blow Bars and Hammers.
  - 2025-Present: Participating in the Hebei Provincial Department of Science and Technology project: ZTA Manufacturing Process for Ceramic Composite Jaw Plates.

## Core Product Matrix (Technical & Material Specifications)

### 1. Hammer Crusher Series
- **Main Products:** High-chrome composite hammers for mining/building materials, bimetallic alloy wear-resistant hammers, custom square/irregular shaped hammers.
- **Technical Specs:** Working part hardness ≥HRC62, impact toughness ≥12J/cm². Using a bimetallic composite casting process combined with low-alloy steel handles eliminates cold shuts and cracks, increasing service life by 3-5 times compared to ordinary carbon steel hammers.

### 2. Impact Crusher Series
- **Main Products:** High-chrome blow bars, alloy wear-resistant blow bars, custom impact blocks/counterattack blocks.
- **Technical Specs:** Working layer hardness ≥HRC60. Utilizing directional solidification and precision casting without porosity, improving service life by 2-3 times over standard alloy parts.

### 3. Jaw Crusher Series
- **Main Products:** High-manganese steel/high-chrome jaw plates (fixed/movable), cheek plates, toggle plates (overload protection), alloy tooth plates.
- **Technical Specs:** High-manganese steel (ZGMn13 to ZGMn18Cr2) reaches HB450+ through work hardening after water toughening, extending lifespan by 2-4 times. High-chrome jaw plates hardness ≥HRC55. Bionic tooth shape design optimizes crushing efficiency.

### 4. Cone Crusher Series
- **Main Products:** High-manganese steel/high-chrome bowl liners, mantles, wear-resistant top liners.
- **Technical Specs:** Integral casting with compressive strength ≥800MPa. Resists high extrusion and friction; UT/MT testing guarantees zero shrinkage cavities.

### 5. Mill Systems
- **Main Products:** Ball mill cylinder/end liners, wear-resistant balls/cylpebs, wear-resistant screen plates, grate plates.
- **Technical Specs:** Liner hardness ≥HRC55. Optimized wave, step, or convex surfaces improve grinding efficiency. High-chrome cast iron (Cr20-Cr25) screen plates feature precise apertures to prevent clogging.

### 6. Roller Crushers & Mineral Processing Equipment
- **Main Products:** High-chrome toothed roller shells, wear-resistant roller teeth, bow tooth plates.
- **Technical Specs:** Roller shell hardness ≥HRC60. Bimetallic composite casting ensures tight bonding without tooth chipping or breaking.

### 7. Pump & Valve Components and Special Castings
- **Main Products:** Slurry pump casings (Cr26/Cr27), excavator bucket teeth, wear-resistant high-temperature (1050℃) furnace plates, HT/QT cast iron parts.
- **Technical Specs:** Smooth flow channels via precision machining, highly resistant to corrosion and scouring. Supports complex irregular custom designs.

## Qualifications & Honors
- Hebei Province Quality-Focused and Trustworthy Integrity Demonstration Unit (2014)
- Level 3 Enterprise for Safety Production Standardization (Machinery)
- General Manager Qiao Aiyun awarded "Advanced Self-Employed Entrepreneur" by provincial authorities and commended multiple times.
- 9 years with zero quality complaints; maintains a standing inventory of over 500 tons for high capacity and fast delivery.

## Market Reach & Trusted Clients
### 1. Regional Coverage
- **Domestic Market:** Extensive coverage of China's core industrial zones, reaching Dandong/Dalian in the East, Manzhouli/Inner Mongolia in the North, and Hami/Kashgar (Xinjiang) and Baiyin (Gansu) in the West.
- **International Market:** Indirect export of high-quality castings to the USA, Japan, Malaysia, and other overseas countries through distributors.

### 2. Trusted Clients (Partial List)
Deeply trusted by large-scale mining and state-owned enterprises:
- Pingshuo Group Coal Mine
- Yuanping Power Plant, Shuozhou Huadian Power Plant
- Ordos Coal Mine, Changzhi Lu'an Group Coal Mine
- China Uranium Guyuan Company
- SPIC (State Power Investment Corporation) Shanxi Aluminum Co., Ltd.
- Zhangbei Hengtai Cement, Taibus Banner Fengtai Mining, Shanyin County Yuguang Power Plant

## Service Model & Contact Information
- **Services:** Supply of standard wear-resistant parts, reverse engineering & custom drawing manufacturing, technical parameter support. Full-cycle "one-on-one" professional guidance.
- **General Manager Hotline:** +86-15003337143
- **Tel:** +86-313-4235522
- **Email:** 2493909844@qq.com
- **WeChat Official Account:** hpg-zz (Red Apple Casting)