Shenzhen Zhongnuo Testing Technology Co., Ltd. is based in South China and specializes in explosion-proof certification and coal safety certification application consulting services, offering one-stop explosion-proof technology consulting services.
Explosion-proof product categories certified:
The new implementation measures are divided into 17 product units:
Explosion-proof motors: Center height ≤ 160mm or rated power ≤ 15kW; Explosion-proof motors: 160mm < center height ≤ 280mm or 15kW < rated power ≤ 100kW; Explosion-proof motors: 280mm < center height ≤ 500mm or 100kW < rated power ≤ 500kW; Explosion-proof motors: Center height > 500mm or rated power > 500kW.
2. Explosion-proof electric pumps
3. Explosion-proof distribution equipment
4. Explosion-proof switches, control and protection products
5. Explosion-proof starters
6. Explosion-proof transformers
7. Explosion-proof electric actuators, solenoid valves
8. Explosion-proof plug-in device
9. Explosion-proof surveillance products
10. Explosion-proof Communication and Signal Devices
11. Explosion-proof air conditioners, ventilation equipment
12. explosion-proof electric heating products
13. Explosion-proof accessories, Ex components
14. Explosion-proof instruments and meters
15. Explosion-proof sensor
16. Safety Fencing
17. Explosion-proof instrument cabinets

Flammable Dust Environment Explosion Proof Certification Standard:
GB/T 3836.1-2021 Explosive Atmospheres Part 1: Equipment General Requirements
GB/T 3836.4-2021 Explosive Atmospheres, Part 4: Equipment protected by intrinsic safety "i"
GB/T 3836.5-2021 Explosive Atmospheres, Part 5: Equipment protected by positive pressure enclosures "p"
GB/T 3836.9-2021 Explosive Atmospheres, Part 9: Equipment protected by "m" type encapsulation
GB/T 3836.31-2021 Explosive Atmospheres, Part 31: Equipment protected by dust ignition-proof enclosures "t"

How to Apply for Explosion-Proof Certification for Enterprises:
1. Self-Application: The company applies to the certification body independently, prepares relevant documents, assists in debugging prototypes, and modifies irregularities in the documents. This process takes a relatively longer cycle, with higher comprehensive costs, and requires more time and effort.
2. Agent Application: Refers to the entire process of consulting and applying to Shenzhen ZhongNuo Testing Technology Co., Ltd., including material modifications, prototype debugging, and progress coordination, which are handled by the consulting agency. Offers a good progress guarantee. Fast certificate acquisition, manageable overall costs, and saves time and effort.

What is an explosion-proof electrical installation qualification? How to obtain an explosion-proof installation qualification?
Certification for technical training in explosion-proof electrical equipment installation, maintenance, and repair is one of the qualification certificates for companies in the field of explosion-proof electrical installation and construction.
Many clients engaged in installation work in explosive areas wish to obtain such a certificate.
ZheNuo Inspection provides a brief overview of the application process and requirements.
Currently, explosion-proof installation qualification certificates are issued by different authorities, with varying names, sample formats, and application requirements.
But it's mostly through a training + examination process, including company and employee certificates, with the training standards being the GB/T 3836 series.
As the applicant company through agency, ZhongNuo Inspection has cumulatively obtained the corresponding certificates for hundreds of client enterprises.
We schedule 1-2 training sessions and exams monthly, providing full assistance in preparing the required documents and files.
Saves time and costs for a wide range of corporate clients, with certificates that are authentic and traceable.
We can also provide certification processing services for our clients.
Feel free to message us anytime if there's a need for this!
Explosion-proof Certification Application Consulting Services - Shenzhen ZhongNuo Testing Technology Co., Ltd.