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HongKong HangFai Industrial Technology Co., Ltd.
Dongguan HongQing Plastic Mold Products Co., Ltd.
One-stop partner from product development to production
Contents
1
About us
Company overview, development history, and business philosophy
2
Organizational structure
Management team and departmental function division
3
Our production capacity
Factory equipment, research and development design, mold manufacturing, and injection molding capabilities
4
Quality assurance
Quality control system and certification system
5
Case Studies
Smart home, personal care and other product case studies
Company Profile
HongKong HangFai industrial technology Co., Ltd. and Dongguan Hongqing Plastic Mold Products Co., Ltd. were established in 2000, located in Qiaotou Town, Dongguan City, Guangdong Province, with over 25 years of experience in mold design and manufacturing. The company has a factory area of over 10,000 square meters, a registered capital of 5 million yuan, and a liaison office in Hong Kong.
As a "one-stop" service provider, our business scope covers:
Product industrial design and rapid prototyping
Precision mold development and injection molding
Spray painting, silk screen printing, and surface treatment
Product assembly and packaging logistics
The company has obtained ISO 9001, ISO 14001, IATF 16949, and BSCI certifications to ensure quality and sustainable development.
Development strategy and mission
Integrating product development, mold design, manufacturing, and assembly into one.
Provide customers with product lifecycle solutions
25+
Years of industry experience
10000+
Square meters of factory
90+
Injection molding machine
10+
Product development team
Business philosophy
Reputation first, quality first, continuous improvement, excellent service
Upholding the spirit of craftsmanship, we are building a company that integrates modern product research and development, design, production, and assembly.
Organizational structure
Our company has established a comprehensive organizational structure to ensure efficient collaboration among departments, providing seamless one-stop services for our clients.
Product Development and Design Department
Industrial design
Mechanical Design
Electronic Design
Prototype verification (3D printing, CNC machining, vacuum casting)
Tooling Department
Mold design, full-chain mold manufacturing (wire cutting, CNC, EDM, etc.), mold assembly.
Injection Molding Department
Over 80 units of 80–1,300T computer robotic injection molding machines, as well as 4 vertical and 7 two-color machines, etc.
Painting Department
Automated oil spraying production line, screen printing line, water transfer printing, UV printing
Assembly Department
There are 2 clean room assembly lines and 3 standard assembly lines.
Quality Control Department
IQC → IPQC → FQC → OQC full-process quality control
Factory Equipment and Environment - Overview
Our company has advanced production equipment and a specialized production environment, ensuring efficient and precise production capabilities.
Injection molding equipment
  • Over 80 injection molding machines, with tonnage ranging from 80 to 1,300 tons.
  • Possessing internationally renowned brands of injection molding machines such as Haitian, Sumitomo, and Kawaguchi.
  • 4 vertical machines and 7 two-color injection molding machines
  • Computer robotic automation production system
Precision machining equipment
  • Coordinate measuring machine
  • Fast and slow wire-cut EDM machine
  • Precision EDM machine
  • High-speed machining center
  • Various precision machining equipment
Surface treatment equipment
  • UV printing
  • Water transfer printing
  • Automated oil spraying production line
  • Multi-color and single-color pad printing production line
  • Fully automatic silk screen laser engraving production line
Assembly line
  • Cleanroom assembly line
  • Standard assembly line
Factory Equipment and Environment - Overview
Our company has advanced production equipment and a specialized production environment, ensuring efficient and precise production capabilities.
Injection molding equipment
  • Over 80 injection molding machines, with tonnage ranging from 80 to 1,300 tons.
  • Possessing internationally renowned brands of injection molding machines such as Haitian, Sumitomo, and Kawaguchi.
  • 4 vertical machines and 7 two-color injection molding machines
  • Computer robotic automation production system
Precision machining equipment
  • Coordinate measuring machine
  • Fast and slow wire-cut EDM machine
  • Precision EDM machine
  • High-speed machining center
  • Various precision machining equipment
Surface treatment equipment
  • UV printing
  • Water transfer printing
  • Automated oil spraying production line
  • Multi-color and single-color pad printing production line
  • Fully automatic silk screen laser engraving production line
Assembly line
  • Cleanroom assembly line
  • Standard assembly line
Product Development and Design Department
Development and design process
Conceptualization
Conduct creative brainstorming and plan discussions based on market demand and customer requirements.
Industrial Design (ID)
Our industrial design team focuses on creating products that are both aesthetically pleasing and practical. Through comprehensive market research and user analysis, we provide customized design solutions.
  • User-Centric Innovative Solutions
  • Award-Winning Aesthetic Designs
  • Market-Driven Design Strategies
Mechanical Design (MD)
In structural design, our goal is to ensure product stability, reliability, and manufacturability. Our designs focus on functionality while considering material costs and production efficiency.
  • Robust Structural Engineering
  • Cost-Effective Manufacturing Solutions
  • Precision and Reliability Focus
Electronic Design (ED)
Our electronic design services cover everything from circuit design to embedded system development, ensuring products achieve optimal performance, reliability, and cost efficiency.
  • Advanced Circuitry Expertise
  • Seamless System Integration
Product Development and Design Department
Professional team
A multidisciplinary professional team composed of industrial designers, mechanical engineers, electronic engineers, and structural engineers.
Design ability
Conduct ID appearance design, electronic/structural design, use CAD/CAE software for DFM and mold flow analysis, perform thermal fluid/structural FEA analysis.
Rapid prototyping production
  • SLA/SLS/FDM 3D printing technology
  • Five-axis CNC machining center
  • Vacuum casting equipment
  • Function, fit, and surface finish verification
Our rapid prototyping capability allows customers to validate design concepts in the shortest time, accelerate time to market, and reduce development risks.
Tooling Department
Mold design and manufacturing capability
  • A full range of solutions from soft molds (epoxy/aluminum) to H13 steel hard molds
  • Single-cavity/multi-cavity mold design and manufacturing
  • Hot runner or cold runner system design
  • Cooling and ejection design meeting process requirements
  • High-precision molds with accuracy up to ±0.01 mm
Advanced equipment
  • CNC milling machines and precision EDM machines
  • Own fast and slow wire cutting equipment
  • Precision milling machines and lathes • High-precision drilling machines
  • Various precision machining auxiliary equipment
Our technical team has over 25 years of experience in mold optimization, offering professional polishing texture processing, mold testing, and debugging services to ensure mold quality and production efficiency.
Injection Molding Department
Device configuration
72
Standard machine
80-1,300 ton injection molding machines such as Sumitomo
5
Vertical machine
Suitable for special molding process requirements
7
Two-K machine
Achieve two-color, dual-material injection molding
100%
Robotic arm
All injection molding machines are equipped with robotic arms.
Materials and craftsmanship
  • Capable of processing ABS, PC, PP, PA, POM, TPE, and other plastics
  • Supporting single-color, two-color, overmolding
  • Insert molding processes with tolerances accurate to ±0.05 mm.
Our injection molding workshop is equipped with automated robotic arms that monitor key parameters such as temperature, pressure, and injection weight in real-time to ensure production stability and product quality.
Surface Treatment Department
Spray painting process
Equipped with 4 robotic arms for fully automatic spraying and 2 spray booths, electronic temperature-controlled ovens, and several professional spraying technicians and full inspection QC. Capable of spraying conductive paint on products up to 1.2 meters by 0.8 meters.
Silk screen and pad printing
Equipped with six-color rotary pad printing machines, 28 two-color and single-color pad printing machines, 6 fully automatic screen printing machines, 1 laser engraving machine, and strong professional expertise...
UV printing
Provides scratch-resistant, wear-resistant, high-gloss surface treatment to enhance product texture and durability.
  • Our surface treatment capability adds a professional appearance and functional protection to products, while meeting the specific requirements of different industries, such as anti-fingerprint, waterproof, and antibacterial treatments. All processes comply with environmental standards, ensuring the products are safe and harmless.
Assembly Department (Clean Room & Assembly Line)
Clean environment
Equipped with an air shower room and a clean assembly line, suitable for the assembly of precision products in electronics, medical, optical, and other fields, completely isolating pollution to ensure the products are clean and flawless.
Testing ability
  • Aging oven and functional test bench
  • IP grade testing machine
  • Electrical safety testing equipment
  • Airtightness testing system
  • Environmental stress screening device
Management system
Implement process mistake-proofing and 5S management in the assembly area to ensure high production efficiency and product reliability, reducing human errors. Each workstation is equipped with detailed work instructions to ensure standardized operations.
Quality Control Department
IQC
Incoming quality control to ensure raw materials and components meet standards.
IPQC
Process quality control, monitoring various parameters during the production process.
FQC
Finished product quality control, inspection of product function and appearance
OQC
Quality control of shipments to ensure that the products delivered meet customer requirements.
Quality certification system
Our quality management system has passed multiple international certifications:
  • ISO 9001 Quality Management System
  • ISO 14001 Environmental Management System
  • IATF 16949 Automotive Industry Quality Management System
  • BSCI Business Social Compliance Initiative Certification
Advanced testing equipment
  • 2D/3D coordinate measuring machine
  • Salt spray testing machine
  • Optical measuring instruments
  • Various precision measuring tools
  • Constant temperature and humidity testing chamber
Our team
Talent structure
30%
Engineering technician
Including mold designers, product structure and electronic engineers, etc.
45%
Production operator
Including injection molding operators, painting technicians, assembly personnel, etc.
15%
Quality inspector
Responsible for quality control of raw materials, processes, and finished products.
10%
Management and support staff
Including business, administrative, financial, and other support teams
Craftsmanship, customer first
We prioritize employee training and skill enhancement, regularly conducting internal technical exchanges and external professional training to build a learning-oriented organization. The culture of teamwork is deeply embedded in the company's DNA, ensuring seamless collaboration across departments to provide the best service experience for customers.
Product development capability
From creative concept to mass production, we provide a full-process one-stop development service.
1
Concept design
Provide industrial design solutions based on customer needs, including appearance design, structural design, and functional planning.
2
Rapid prototyping
Deliver a functional prototype in a short time for design verification and functional testing, and quickly iterate for optimization.
3
Mold development
Design and manufacture high-precision molds to ensure product dimensional accuracy and surface quality.
4
Small batch trial production
Conduct small-scale production validation, optimize process parameters, identify and solve potential issues.
5
Mass production
Mass production, strict quality control, timely delivery of products that meet requirements.
We have flexible production capabilities, able to meet demands from small batches to large-scale mass production, and have accumulated extensive experience in various industries such as smart home, consumer electronics, and medical devices.
Product Display: Smart Electric Toothbrush
Core technology
Comprehensive coverage of five driving modes
Sound wave, sound wave sweeping vibration, hollow cup, rotary and servo motor-driven electric toothbrush series
Multi-gear mode
Cleaning mode options suitable for different oral conditions
Multiple charging methods - long-lasting battery
Convenient wireless charging pad, or mainstream Type-C charging port
A single charge can last up to 90 days
Advanced features - customized development
Can be implemented according to customer requirements
The toothbrush connects to a mobile app to record oral health data, pressure sensing, tooth area detection, etc.
Structural design
  • Soft rubber overmolding provides a comfortable grip
  • Silicone toothbrush head design protects gums and teeth
  • Waterproof design (IPX7 level), can be used while showering
  • High precision in shell injection molding ensures sealing performance
Product display: Water flosser
Product features
Water pressure regulation
Multi-level water pressure adjustable to meet different cleaning needs.
Multi-mode switching
Standard, soft, pulse, and other modes
Large capacity water tank
300ml capacity design, reduces the need for frequent refilling.
Long-lasting battery
A single charge can last for more than 15 days.
Craft characteristics
The product's appearance is combined with ergonomic design, providing a comfortable grip and convenient operation. It uses food-grade safe materials to ensure safety when in contact with the mouth. The connection between the water tank and the main unit employs precision injection molding technology to ensure leak-proof performance. With a waterproof rating of IPX7, the entire machine can be washed.
Our water flosser products have passed rigorous medical device standard tests, ensuring quality while offering competitive prices, and have been successfully exported to multiple countries in Europe and America.
Product Display: Timer Switch
Feature highlights
  • Automatically control the on/off of appliances according to preset times to achieve energy management
  • Support multiple timing settings to meet different time period needs
  • Intuitive LCD display interface, easy operation
  • Backup battery design, settings are not lost during power outages
  • Complies with EU/North American safety certification requirements
Craft characteristics
The shell is made of high flame-retardant PC material through injection molding, and the buttons use two-color injection molding technology to enhance the feel and durability. The internal structure is optimally designed to ensure easy installation and reliable electrical connections. The surface is treated with a UV coating to improve wear resistance and anti-aging performance.
Timer switch series products are widely used in scenarios such as home appliance control, irrigation systems, and commercial equipment, and are an important component of smart home systems.
Product Display: Smart Home Switch
Product features
Intelligent control
Supports Wi-Fi/Bluetooth connection, can control lighting through mobile app or voice assistant.
Fireproof material
Made with high flame-retardant materials through injection molding, ensuring safety and durability.
Precise structure
The internal injection molding structure is precisely designed to ensure stable installation and reliable use.
Safe and energy-saving
Complies with international safety standards, smart dimming function saves energy consumption.
Our smart switch series products are manufactured using precision molds, featuring a modern and minimalist design that perfectly integrates with various home styles. The products undergo rigorous safety testing and reliability verification to ensure long-term stable operation.
Product Display: Doorbell
Wireless doorbell
Stable signal, strong wall penetration, can be equipped with multiple receivers, suitable for large residential units.
Wired doorbell
Traditional stable solution, easy to install, suitable for new house renovation and simultaneous wiring.
Product process characteristics
  • Waterproof casing design, suitable for outdoor use
  • LED indicator light integrated with injection molding process
  • Buttons use two-color injection molding, comfortable to touch
  • Surface UV coating treatment, enhancing weather resistance
  • Multiple ringtone options, adjustable volume
  • Easy-to-install structural design
  • Low power consumption design, long lifespan
Product Display: Face or Body hair removal device
Product Features
  • Low noise silent motor
  • Ergonomic handle for fatigue-free long-term use
  • Rounded blade design to prevent accidental injury
  • Detachable blade for easy cleaning and replacement
  • Safety protective mesh to avoid direct contact with the skin
  • Suitable for fine hair trimming, especially for sensitive areas such as eyes and ears
Craft highlights
The casing is made of impact-resistant engineering plastic with a non-slip surface treatment for a comfortable grip. The motor mounting structure uses a shock-absorbing design to effectively reduce vibration. The switch is designed to be waterproof to prevent water ingress during cleaning. The battery compartment uses a double-seal structure to ensure safety and reliability.
The brush pen is a professional product we developed to meet the needs of the European and American beauty markets. It combines precision electronics with user-friendly design, providing users with a safe and convenient trimming tool. It has received widespread acclaim outside the European and American markets.
Products: Cat Litter Pan
Product features
Large capacity design
Spacious interior space, suitable for cats of all sizes.
closed system
Effectively control odor diffusion
Detachable structure
Modular design, easy to disassemble and clean, simple maintenance.
Materials and Processes
  • Made from antibacterial PP material and molded in one piece using a 1300-ton injection molding machine, ensuring product integrity with smooth, burr-free edges for the safety of cats.
  • The splash-proof design effectively prevents cat litter from scattering. Non-slip pads at the bottom enhance stability.
  • The smart litter box under development is equipped with precision sensors and a silent motor, ensuring quiet and reliable operation.
Our litter box product series starts from pet behavior habits, combined with a humanized design concept, providing convenient and hygienic solutions for cats and their owners.
Advantages of collaborating with Hongqing & HungFai
Scale and Speed
25 years of industry experience, over 10,000 square meters of factory space, more than 90 injection molding machines, ensuring large-scale efficient production.
One-stop service
From design, prototyping, and mold making to injection molding, surface treatment, and assembly, a full-process service to simplify your supply chain management.
Professional engineering team
An experienced design and engineering team provides professional technical support and innovative solutions.
Strict quality control
A comprehensive quality management system and advanced testing equipment ensure product quality and reliability.
Contact us
Address：No. 450, Industrial Road, Lingtou Village, Qiaotou Town, Dongguan City, Guangdong Province
Address：UNIT 6 8/F, Tower B 83 King Lam Street, Lai Chi Kok, Hong Kong SAR
Join hands, create the future
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