ZhongYou Explosion Proof Manufacturer ATEX IECEx Certified Factory China ISO9001 Explosion Protection Standard

About CNPC-EX

Founded in 2012, Zhongyou Explosion-proof(CNPC-EX) is headquartered in Liushi Town, Yueqing City, Wenzhou, Zhejiang, known as the electrical capital of China. Its parent company is Zhejiang Zhongyou Explosion-Proof Electric Co., Ltd. With over a decade of experience in the production of explosion-proof electrical equipment, the company has long collaborated with leading enterprises in the chemical industry, including PetroChina, CNOOC, Sinopec, Sinochem, and China Aviation Oil, earning recognition from its customers. In accordance with the company's strategic planning, an Anhui production base was established in 2022, leading to the establishment of a subsidiary, Zhongyou Explosion-Proof Electric (Anhui) Co., Ltd., which has expanded the company's product range and production capacity.

Project Manager

Personnel with senior professional titles

Personnel with intermediate professional titles

Personnel with junior professional titles

Mechanic

Company History

2012

Registered on February 7th, 2012. Obtained Explosion Proof Certification and Production License, and secured multiple product patent certificates.

2017

Developed the first Intelligent Explosion Proof Temperature Controller, obtaining both patent certification and ATEX certification.

2018

Increased registered capital to RMB 118 million and began participating in large-scale domestic project tenders.

2019

Established strategic cooperation with internationally recognized explosion proof electrical brands.

2020–2021

Developed and manufactured Electric Heat Tracing Distribution Systems and related accessories, obtained CCC and ATEX certifications.

2022

In line with market strategy, established four regional customer centers in South China, East China, North China, and Northwest China. In June of the same year, founded a new production and manufacturing base in Anhui, invested in a modern factory covering 16,000㎡ of land area with 30,000㎡ of workshop space.

2023–2024

Successfully recognized as a Large-Scale Industrial Enterprise and officially certified as a National High-Tech Enterprise.

2025

Launched the “Intelligent Explosion Proof” product series and was recognized as a Green Factory. Deepened strategic cooperation with Sinopec, Sinochem, CNPC, and other listed enterprises.

2026–2028

Strategic expansion of overseas manufacturing facilities in Kazakhstan, Indonesia, and Saudi Arabia.

2029–2031

Committed to becoming a global high-end explosion proof electrical equipment manufacturer, directly serving end users and targeting overseas sales exceeding RMB 1 billion.

Energy Efficiency Integration

R&D and Engineering Design	Based on hazardous environments (explosive gas/dust, temperature & pressure conditions) and IEC/GB standards, determine explosion protection types such as Ex d, Ex e, Ex i; conduct structural design, material selection, circuit optimization, simulation testing and prototype validation	Customized adaptation to client operating conditions, ensuring explosion safety and long-term stability from the design stage
Manufacturing and Assembly	Raw material explosion-proof performance inspection; strict quality control of critical processes (flameproof joint machining, terminal assembly); modular assembly and dynamic production scheduling	Strict quality assurance, on-time delivery, and reliable fulfillment of project schedules
Sales and Technical Support	In-depth communication on application scenarios and hazardous area classification; product selection guidance; technical consultation on explosion protection principles and installation compatibility; catalog and case support	Accurate product matching, reduced selection risks, and lower technical decision-making costs
Installation and Commissioning (Standard Equipment)	On-site guidance for equipment mounting, wiring, and grounding; functional testing and explosion-proof performance verification; operator training	Ensures compliant installation, stable operation, and empowers clients with independent maintenance capability
Maintenance and Inspection	Preventive maintenance (flameproof surface cleaning, component inspection, seal replacement); rapid emergency repair response; maintenance records and optimization recommendations	Extends equipment lifespan, reduces downtime, and guarantees long-term safe operation
Certification Coordination	Expertise in Ex, ATEX, IECEx certification systems; customized certification planning; preparation of technical documentation; liaison with certification bodies for type testing and audits	Facilitates compliance with target market certifications and removes market entry barriers
Installation and Commissioning (System Integration)	For explosion-proof PLC and VFD integrated systems, complete communication setup, signal debugging, protocol matching, grounding resistance and insulation testing; issue commissioning reports	Enables multi-equipment coordination, meets complex process requirements, and supports final project acceptance

Our Qualification

EX DB

EX junction box

EX master controller

EX tail device

EX temperature sensor

EAC