1. Overview of Mobile Phone Accessories
a. What are mobile phone accessories?
Mobile phone accessories are devices, components, or other products designed to be used together with mobile phones or smartphones. These accessories can be used to enhance functionality, improve user experience, or protect the phone.
The mobile phone accessory manufacturing industry in Vietnam has developed rapidly in recent years. Large electronics companies have invested in building factories in Vietnam to meet domestic and international market demands.
Currently, many companies in the mobile phone accessory manufacturing industry in Vietnam export products to other markets such as Europe, the United States, Japan, South Korea, and more.
b. Types of machinery used in mobile phone accessory manufacturing
There are many types of machinery used in the process of manufacturing mobile phone accessories. Below are some common machines:
- Tempered glass press machine: used to produce tempered glass screens for phones. This machine uses high temperature to press tempered glass onto phone screens.
- Plastic injection molding machine: used to produce protective cases, phone covers, and other plastic accessories. This machine uses plastic material and molds it into the desired shape.
- Screen cutting and bonding machine: used to cut and attach LCD screens for phones. This machine is often used during phone assembly.
- Screen welding machine: used to weld LCD screens with phone frames. This machine uses high temperature to secure the screen to the frame.
- UV printing machine: used to print images and protect phone screens with UV ink.
In addition, many other machines are used in mobile phone accessory manufacturing, such as printing machines, laser cutting machines, metal welding machines, plastic welding machines, CNC machines, etc.
c. Mobile phone accessory manufacturers in Vietnam
There are many popular brands in the mobile phone accessory market today, including:
- Samsung: one of the largest brands in consumer electronics, producing many mobile phone accessories such as cases, leather covers, screen protectors, headphones, etc.
- Apple: a famous brand with iPhones and accessories like cases, leather covers, screen protectors, AirPods, etc.
- Xiaomi: a well-known Chinese smartphone brand that also produces phone accessories such as cases, leather covers, screen protectors, headphones, etc.
- Oppo: a Chinese brand famous for phones and accessories like cases, leather covers, screen protectors, headphones, etc.
- Huawei: a brand known for consumer electronics and producing various phone accessories such as cases, leather covers, screen protectors, headphones, etc.
- Anker: a well-known brand for phone accessories, especially power banks and charging devices.
- Baseus: a Chinese brand famous for premium and stylish phone accessories like cases, leather covers, screen protectors, headphones, etc.
- Spigen: a popular brand for shockproof phone cases and other accessories like leather covers and screen protectors.
These brands are trusted and widely used in the mobile phone accessory market.
d. Specific roles in a mobile phone accessory manufacturing factory
Group 1
- Executive director, deputy director, and department heads in a mobile phone accessory manufacturing factory.
Group 2
- Safety officers: manage safety in the factory, design safety procedures, supervise and ensure employees follow safe working procedures.
Group 3
- Protective case production: creating phone cases, including design, molding, cutting, polishing, finishing, and product inspection.
- Battery production: designing, producing, and inspecting phone batteries, including capacity, durability, and safety testing.
- Phone cover production: creating phone covers, including design, manufacturing, and product inspection.
- Charger production: designing and producing phone chargers, including testing voltage and current output, and ensuring user safety.
- Headphone production: designing, manufacturing, and testing headphones, including sound quality, sensitivity, and safety.
- Quality control: inspecting products before market release, including technical, safety, and quality standards checks.
- Product packaging: packaging products before delivery, including packaging and quality inspection.
Group 4
- Office, service, sales, and marketing roles.
- Production management, quality management, human resources, material management, financial and accounting management.
- Research and development of new products, designing product packaging.
e. Commonly used mobile phone accessories
There are many different mobile phone accessories on the market, depending on user needs and preferences. However, below are some commonly used accessories:
- Cases and leather covers: protect phones from impacts and scratches, while also enhancing aesthetics.
- Touch screens: protect phone screens from scratches and impacts.
- Charging cables: connect phones to computers or chargers.
- Power banks: allow charging phones when no power source is nearby.
- Headphones: allow private and convenient listening, calling, or watching videos.
- Stylus pens: help with note-taking, drawing, photography, and accurate interaction on phone screens.
- Selfie sticks: allow easy and convenient selfies.
- Memory cards: provide extra storage for data, images, videos, and music on phones.
2. Overview of Occupational Safety Training for Mobile Phone Accessory Manufacturing
In this article, we focus on Group 3 because Group 3 directly participates in the manufacturing process and faces the highest occupational safety risks. Refer to other groups here.
a. What is Group 3 occupational safety training?
- Group 3 occupational safety training consists of classes that provide workers with knowledge on preventing workplace accidents.
- The training helps workers recognize and avoid hazards, reducing the risk of workplace accidents during their tasks.
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b. Training duration
Initial safety training
- Total training hours are at least 24 hours, including testing time.
- 8 hours of theoretical learning on safety policies and labor hygiene laws
- 8 hours of theoretical learning on basic occupational safety and hygiene knowledge
- 4 hours of theoretical learning on specialized training content
- 2 hours of practical learning on specialized training content
- 2 hours of final theoretical test
The safety training center divides the time into multiple sessions depending on the employees’ schedules. Usually, the course consists of 6 sessions over 3 days, provided the manufacturing company allows continuous training time.
Periodic safety training
- Before the occupational safety card expires, workers who want renewal must undergo periodic occupational safety training, with the periodic training duration being at least 50% of the initial training duration.
Explanation: The total periodic occupational safety training time is at least 12 hours, including testing. After completing the periodic training and passing the test, the worker will be reissued or have their occupational safety card extended.
c. Training content
No. | TRAINING CONTENT | TRAINING DURATION (HOURS) | |||
Total | Including | ||||
Theory | Practice | Test | |||
I | Safety policies and labor hygiene laws | 8 | 8 | 0 | 0 |
1 | Overview of legal documents system regarding occupational safety and hygiene. | 6 | 6 | ||
2 | Standards and technical regulations on occupational safety and hygiene. | 1 | 1 | ||
3 | Specific regulations from state management agencies regarding occupational safety and hygiene for new constructions, expansions, or renovations of production facilities and for equipment, materials, and substances with strict safety and hygiene requirements. | 1 | 1 | ||
II | Basic occupational safety and hygiene knowledge | 8 | 8 | 0 | 0 |
1 | Basic knowledge about hazards and harmful factors in the workplace. | 4 | 4 | ||
2 | Methods to improve working conditions. | 1 | 1 | ||
3 | Safety culture in production and business. | 1 | 1 | ||
4 | Rights and obligations of employers and employees; policies on occupational safety and hygiene; roles of safety officers. | 1 | 1 | ||
5 | Occupational safety and hygiene rules, signs, instructions, use of safety equipment and personal protective equipment; skills in first aid and occupational disease prevention. | 1 | 1 | ||
III | Specialized training content | 6 | 4 | 2 | 0 |
Comprehensive knowledge of machines, equipment, substances generating hazards; risk analysis, management of occupational safety, safe working procedures with machines, equipment, and substances requiring strict safety standards. | 6 | 4 | 2 | ||
IV | Final safety training assessment | 2 | 2 | 0 | 0 |
Total | 24 | 22 | 2 |
See more training content of all 6 groups
d. Occupational safety card
After completing the occupational safety training and passing the test, workers will be issued a safety card (commonly called a Group 3 safety certificate).
The Group 3 safety card displays information such as name, date of birth, job, and specific working environment. It also includes training duration, a red stamp, and signature confirming course completion.
According to regulations in Clause 2 of Article 24 of Decree 44/2016/ND-CP, there are two cases:
- If the employer and employee have a labor contract, the employer must sign, stamp, and certify the safety card for the Group 3 trainee after completing the training and passing the test.
- If the worker is freelance or seasonal and does not have a labor contract, the training organization must sign, stamp, and certify the safety card after the worker completes the training and passes the test.

3. Identifying Hazards Affecting Workers in Mobile Phone Accessory Manufacturing
Hazards affecting workers in mobile phone accessory manufacturing include:
- Noise: Machinery in mobile phone accessory factories can produce loud sounds and noise, affecting workers’ hearing. Therefore, it is necessary to use protective equipment such as noise-canceling headphones to protect workers’ ears.
- Lighting: Work in mobile phone accessory factories often requires a well-lit environment. However, excessive or insufficient lighting can harm workers’ eyes. Therefore, proper lighting should be ensured, and safety glasses worn when necessary.
- Chemicals: Some mobile phone accessories use chemicals during production. Workers exposed to these chemicals may face health risks if proper protective equipment such as gloves, masks, and protective clothing is not used.
- Mechanical equipment: Machinery for mobile phone accessory production may include mechanical parts such as blades, cutting tools, and moving components. Improper use of these devices can cause injuries to workers.
- Occupational accidents: Workers may experience accidents during the production of mobile phone accessories. Ensuring workplace safety, training workers in safety measures, and using full protective equipment are essential.
4. Common Occupational Accidents for Workers in Mobile Phone Accessory Manufacturing
Common occupational accidents for workers in mobile phone accessory manufacturing may include:
- Cuts and punctures: Using knives or cutting machines to trim, grind, color, paint, or perform other tasks related to accessory production.
- Electric shock: Electronic devices can cause electric shock to workers during use or production.
- Chemical poisoning: Mobile phone accessory production often involves chemicals such as adhesives, solvents, dyes, and inks. These harmful substances can cause poisoning if not used correctly or without timely protection.
- Back pain and neck strain: Workers often sit or stand for long hours without sufficient rest, leading to back pain and neck strain.
- Vision impairment: Tasks often involve reading detailed drawings and using precise technical equipment, which may lead to vision problems without proper protection.
- Hearing loss: Machinery in accessory production can produce loud noise, potentially damaging workers’ hearing without proper protective measures.
5. Safety Measures When Participating in Mobile Phone Accessory Manufacturing
To ensure worker safety in mobile phone accessory production, the following safety measures should be applied:
- Maintain workplace hygiene: Ensure a clean, well-ventilated environment, free of chemical odors and dust, with appropriate humidity, temperature, and lighting. Promote personal hygiene to safeguard workers’ health.
- Wear protective equipment: For tasks posing risks to eyes, ears, respiratory system, hands, or feet, use protective gear such as safety glasses, masks, protective sleeves, gloves, and safety shoes.
- Ensure electrical safety: For electrical equipment, ensure safe use, proper operation, and regular inspections to prevent electrical accidents.
- Use chemicals properly: Wear full protective equipment and follow regulations for use, storage, transport, and disposal of chemicals.
- Operate machinery safely: Ensure proper operation, use, maintenance, and inspection of machinery.
- Train and educate workers: Train workers in job skills, occupational safety, and safe working procedures.
- Regular safety inspections: Periodically check protective equipment, machinery, and electrical devices to ensure safety in production.
- Periodically conduct workplace environmental monitoring in factories, collect and analyze harmful factors, and adjust to reduce risks to prevent occupational diseases.
6. Benefits of Occupational Safety Training for Mobile Phone Accessory Manufacturing
An Toan Nam Viet provides businesses with the following benefits after completing occupational safety training courses in accordance with Decree 44/2016/NĐ-CP on Occupational Safety and Hygiene:
- Workers can identify potential accident risks and take preventive measures to avoid workplace accidents.
- Businesses can establish risk prevention measures in production, operation, and maintenance processes.
- Reduce costs associated with safety risks in labor.
- Continuous production improves labor productivity and product quality.
- Compliance with occupational safety laws avoids legal risks.
- Enhances professionalism and credibility, elevating the company’s brand.
Nam Viet’s training courses are designed to help individuals prevent external hazards, avoiding injuries or more severe outcomes such as fatalities.
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7. Customer Feedback After Completing Occupational Safety Training for Mobile Phone Accessory Manufacturing
An Toan Nam Viet has many years of experience in supporting numerous businesses in Vietnam in general, and in the southern provinces in particular. This responsibility is extremely valuable to Nam Viet, which is why our Occupational Safety Training is increasingly professional. Our growth has been fueled by both positive feedback and suggestions from businesses. Below are testimonials from our partners whom we have served.
Bac Nam E&C Construction Investment Joint Stock Company
“My first experience using An Toan Nam Viet’s service was very surprising due to the enthusiastic 24/7 support from the consulting team. Organizing the class was quick and convenient for our company. Thank you very much for Nam Viet’s service!”
See more customer interviews after using An Toan Nam Viet’s services
8. An Toan Nam Viet’s Occupational Safety Training Capabilities
An Toan Nam Viet is a reputable and high-quality occupational safety training center in Vietnam. Our safety training sessions are continuously conducted at manufacturing workshops, factories, and construction sites across the country (all 63 provinces in Vietnam).
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Occupational Safety Training License
- An Toan Nam Viet has been inspected and certified by the Department of Occupational Safety under the Ministry of Labor, Invalids, and Social Affairs, granting the certificate of eligibility to conduct occupational safety and hygiene training. This further strengthens our capacity in occupational safety training.

Training Materials and Lectures
- Before being used in occupational safety training courses, our materials are carefully reviewed to ensure accurate knowledge and effective application.
- Our instructors follow a teaching methodology standardized by An Toan Nam Viet, developed and refined by occupational safety experts to maximize knowledge retention for trainees.
Facilities
- Controlling classroom conditions that affect training helps enhance teaching efficiency and trainee learning outcomes.
- Our training facilities always provide spacious classrooms that meet standards for area, lighting, training equipment, and more.
9. Nationwide Reputable and Quality Safety Training Center
At An Toan Nam Viet, we prioritize professionalism in occupational safety training. For us, imparting knowledge that helps workers protect themselves is a contribution to building the nation.
To ensure effective training, we meticulously prepare every detail, from tools, teaching equipment, to curriculum, documents, audio, and lighting.
Our occupational safety trainers are experts with many years of experience. They have even conducted research identifying hazards in all industries and methods to prevent them.
Lectures are derived from practical experience and delivered in a vivid, easily understandable manner to workers. This creates a comfortable learning environment and ensures knowledge absorption. Training content strictly adheres to Decree 44/2016/NĐ-CP.
As a result, trainees learn various hazard prevention measures and ways to protect themselves, applying them appropriately in real work situations.
Our safety training center is proud to offer professional and reputable occupational safety training with the following advantages:
- Competitive training costs without compromising quality.
- Flexible training schedules aligned with company production.
- Quick certification procedures compliant with the law.
- Trainers with extensive industry experience.
- Classrooms controlled to enhance teaching efficiency and trainee knowledge retention.
- Curriculum tailored to occupational safety practices in businesses.
- An Toan Nam Viet provides dedicated, professional support to customers promptly and accurately.

10. Additional References for Occupational Safety Training in Mobile Phone Accessory Manufacturing
- Occupational safety materials for mobile phone accessory production
- Occupational safety training document set
- Occupational safety training tests
- Occupational safety training curriculum for mobile phone accessory production
- Occupational safety multiple-choice tests for mobile phone accessory production
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