Beijing Topsky Automatic Technology Co., Ltd. is a professional large-scale manufacturer of all types coal mine safety equipment and fire fighting equipment, integrating development and production together. Our main products include portable gas detector, Ventilation Meter, breathing apparatus, Oxygen Self-Rescuer, Water mist system, Pneumatic Chain Saw and related products. Our company was established in 2003, and we have many years of history in the coal mine and fire fighting industry. Located at Beijing, we enjoy convenient water, land and air transportation.
Our company employs many experienced technical and management personnel. Through the efforts of all staff , we have become a special safety equipment manufacturer. All of our staff have continuously tried to improve product quality and service for the user's safety.
Currently, our product was already exported to America, France, Australia, Italy and 20 other countries and regions. Our company has always focused on research, development and innovation. We attained ISO9001 quality management system certificate.
Our company has initiated the new phase of our development strategy. Our company regards, reasonable prices, efficient production time and good after-sales service as our tenet. We hope to cooperate with more customers for mutual development and benefits. We welcome potential buyers to contact us for future business relationships and achieving mutual success.

Beijing Topsky is the safety equipment leading brand in China.

We supply  the industry rescue security products to the world.

 We provide:

1.Gas detectors:to keep safe from various gases,especially used in coal mine environment or extreme condition.

2.Personal rescue equipment :to save lives,help resolve dangerous situation 

3.Rescue equipment:to provide first-aid and reduce the damage on property.

4.Measuring equipment:to provide professional measurement to know the environment well.

5.Police&military supplies:to save lives and reduce the damage on property.

portable multi-gas detector

Qualifications: Coal Mine Safety Certificate  

Explosion-proof  Certificate

Inspection Certification  

model number:CD4

Applications:

CD4 portable Multi-gas detector is an intrinsically safe and explosion-proof instrument and is designed to deter the gases. It can simultaneously monitors up to four atmospheric hazards including carbon monoxide (CO), oxygen (O₂), combustible gas (%LEL), and hydrogen sulphide(H₂S). Compact and lightweight, CD4 portable Multi-gas detector activates audible, visual and vibrating alarms in the event of a low or high alarm condition.

CD4 portable Multi-gas detector is unparalleled in its versatility, capability and overall value. Water-resistant line of portable gas detectors has transformed the market with its matchless array of features.

It is used at the underground coal mine and mine safety inspection mainly. Certainly, it is also applied to fire fighting, confined space, chemical industry, oil and all kinds of environment that needed to measure the hazardous and toxic gases

Technical specification:

Accessories:

Battery, Carrying case and Operate guidebook

2-year warranty

Lowers the overall cost of ownership by providing a full 24 months of warranty coverage.