High Sensitive O2 Cl2 CH4 CO2 H2s Fixed Gas Alarm Detectors
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Product Highlights
- Multi-Gas Detection Capability: Detects O2, Cl2, CH4, CO2, H2S, and over 30 other combustible and toxic gases.
- Explosion-Proof Design: Features Ex dII CT6 explosion-proof grade and IP65 water/dust proof rating.
- Flexible Output Signals: Supports 4-20mA, RS485, and optional relay switch outputs for PLC/DCS integration.
- LED Digital Display: Provides independent acousto-optic alarm with optional LED display for clear monitoring.
- Zero Calibration Function: Ensures accurate and reliable detection through built-in zero calibration features.
- 24/7 Online Support: Offers 24-hour online after-sales service for technical assistance and inquiries.
- ISO 9001 Certified Quality: Manufactured under ISO 9001:2015 standards with strict quality control at all stages.
Product Attributes
- Customization
- Available
- After-sales Service
- 24 Hours Online Service
- Warranty
- 1 Year
- Model NO.
- NKYF
- Customized
- Non-Customized
- Portable
- Portable
- Certification
- FCC, CE, RoHS
- Gas
- O2 Wireless Fixed Ammiona Nh3 Gas Leakage Detector
- Type
- Electrochemical Gas Analyzer
- Alarm Method
- Light/Sound
- Feature
- LED Digital Display, Explosion-Proof
- Working Environment
- Temperature(-40~55)℃
- Power Supply
- Rechargeable Battery
- Output Signal
- 4-20mA, RS485
- Battery
- DC24V/36V±10%
- Transport Package
- Carton
- Specification
- 183*143*107mm (Display type) 183*43*92mm (No displ
- Trademark
- NKYF
- Origin
- Guangdong
- Package Size
- 35.00cm * 35.00cm * 25.00cm
- Package Gross Weight
- 5.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of High Sensitive O2 Cl2 CH4 CO2 H2s Fixed Gas Alarm Detectors
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Product Description
This fixed ethanol gas alarm detector can detect any combustible gas like butane propane acetylene, lpg, natural gas, CNG, the ethanol sensor is with explosion proof shell to collects and detects the gas concentration on the spot, With an optional audible &visual alarm light,when the gas concentration exceed a preset alarm point, the c2h2 detector will make alarm immediately.
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Measurable gas
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combustible gas, toxic and harmful gas
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Product Size
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183*143*107mm (Display type) 183*43*92mm (No display type)
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Sampling
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Natural diffusion
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Battery
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DC24V/36V±10%
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Ambient temperature
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Temperature -40ºC~70ºC
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Power
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12-30V DC
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Output signal (The user can decide as follows according to actual needs)
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a. Standard three-wire 4-20mA analog signal output
b.Two-wire 4-20mA analog signal output (optional)
c. Relay switch output (optional) d. RS485 bus output (optional)
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Wiring method
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M20*1.5mm (metric)
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Explosion proof mark
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Exd IIC T6 Gb
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Working temperature
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10~55ºC
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Battery
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DC24V/36V±10%
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Alarm method
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Light/sound
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Monitor gas concentration in open air in the environment.
Two stage alarm with sound and light
Explosion proof design, proof grade Ex dII CT6, IP65 water dust proof.
LED display, Independent acousto-optic alarm, need extra cost $15/pc.
With zero calibration functions, makes the detection more accurate and reliable.
With 4-20mA signal output, being compatible with PLC, DCS and other control system.
Click here to ask us for any detailed information about gas detectors!



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Measured gas
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Measuring range
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Selectable range
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Resolution
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Combustible Ex
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0-100%LEL
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0-100%VOL
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1%LEL/1%VOL
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Oxygen O2
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0-30%VOL
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0-30%,0-100%VOL
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0.1%VOL
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Hydrogen Sulfide H2S
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0-100PPM
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0-50,200,1000PPM
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0.1/1PPM
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carbon monoxide CO
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0-1000PPM
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0-500/2000/5000PPM
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0.1/1PPM
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nitrogen dioxide NO2
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0-20PPM
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0-50,1000PPM
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0.1/1PPM
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natural gas
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0-100%LEL
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0-100%LEL
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1%LEL
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Nitrogen oxides
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0-20PPM
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0-50,1000PPM
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0.1/1PPM
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Methane CH4
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0-100%LEL
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0-100%LEL
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1%LEL/1%VOL
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carbon dioxide CO2
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0-5000PPM
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0-1%,5%,10%VOL
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1PPM/0.01%VOL
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Nitric oxide NO
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0-250PPM
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0-500,1000PPM
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1PPM
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nitrogen N2
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0-100%LEL
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0-100%VOL
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1%VOL
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Alcohol
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0-100%LEL
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0-100%LEL
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1%LEL/1%VOL
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Sulphur dioxide SO2
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0-20PPM
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0-50,1000PPM
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0.1/1PPM
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Chlorine CL2
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0-20PPM
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0-10,100PPM
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0.1PPM
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Dichlorosilane
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0-20PPM
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0-20,100PPM
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1PPM/0.1PPM
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Ammonia NH3
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0-100PPM
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0-50,500,1000PPM
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0.1/1PPM
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Silicon tetrachloride
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0-20PPM
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0-20,100PPM
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1PPM/0.1PPM
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Hydrogen H2
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0-100%LEL
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0-1000PPM
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1%LEL/1PPM
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Phosphine PH3
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0-20PPM
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0-20,0-100PPM
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0.01/0.1PPM
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Hydrogen chloride HCl
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0-20PPM
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0-20,50,100PPM
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0.01/0.1PPM
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Acrylonitrile
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0-100PPM
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0-100PPM
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1PPM/0.1PPM
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TVOC
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0-100PPM
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0-100PPM
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1PPM/0.1PPM
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CLO2
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0-50PPM
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0-10,100PPM
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0.1PPM
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Hydrogen cyanide HCN
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0-50PPM
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0-100PPM
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0.1/0.01PPM
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Ethylene oxide ETO
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0-10PPM
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0-100PPM
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1PPM/0.1PPM
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Ozone O3
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0-10PPM
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0-20,100PPM
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0.011PPM/0.1PPM
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Formaldehyde CH2O
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0-20PPM
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0-50,100PPM
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1/0.1PPM
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Fluorine gas F2
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0-10PPM
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0-1,10PPM
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1PPM/0.1PPM
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Hydrogen fluoride HF
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0-10PPM
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0-1,10,50,100PPM
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0.01/0.1PPM
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Xylene, Toluene
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0-20PPM
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0-5,10,50,100PPM
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0.01/0.1PPM
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malodor
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0-100PPM
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0-100PPM
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1PPM/0.1PPM
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Ningxia Nuoke Yinfeng Intelligent Technology Co., Ltd.
1.Q:Can I have a sample order to test quality?
A: Yes, we re commend and welcome sample order to test and check before order.
2. Q: Do you offer guarantee for the products?
A: Yes, we offer 1 or 2 years guarantee for the products.
3. Q: If I order big quantity, Can I have a cheaper price?
A: We will reduce the price according to the specific quantity and your requirements for the product.
4.Q: How does your I factory do regarding the quality control?
A: Quality is priority, Our factory has passed ISO 9001 with annual audit.
Established a procedure to check products at all stages of the manufacturing process-raw materials, in process materials.validated or tested materials, finished goods.etc.
About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASR269188". Items marked "" are certified.
Company Profile
Ningxia Nuoke Yinfeng Intelligent And Technology Co., Ltd., a specialized company with a solid 23-year history in gas detection instruments.
Company Overview
Location: Ningxia, China, within a key chemical industry hub.
Experience: 23 years in R&D, production, sales, service, and export of gas detection instruments.
R&D Base: 1, 000 square meters.
Team: 15 professional engineers, 4 production lines, and numerous production/service staff.
Certifications: CE, RoHS, SIL, FCC, IP67, ISO9001.
Products and Services
Portable and fixed gas detectors.
Gas alarm controllers.
Wireless gas detection detectors.
GDS and DCS systems.
Toxic, harmful, flammable, and explosive gas detectors.
Pump-type gas detectors.
Features: All products undergo rigorous testing, calibration, and factory inspection with issued reports.
Applications: Environmental protection, petroleum, chemical industry, shipbuilding, metallurgy, pharmaceuticals, water treatment, food processing, coal.
Export Markets: Products are sold internationally.
Collaboration: Supports retail, wholesale, agency partnerships, and provides OEM/ODM/OBM services.
Strong technical expertise, advanced production processes,
And robust quality management systems underpin its reputation for delivering reliable gas detection solutions worldwide.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- Yiyuan Road No. 6, Yinchuan, Ningxia, China
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Plant Area
- 544 square meters
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Number of Employees
- 9
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Registered Capital
- 10,000,000 RMB
-
Terms of Payment
- T/T, PayPal
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International Commercial Terms(Incoterms)
- FOB, CIF, EXW
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Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Guangzhou, Shenzhen
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Minimum Order Quantity
- 10 PCS
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Supply Chain Partners
- 5
Our Production Capability & Technical Expertise
-
Main Products
- Gas Sensor, Gas Detector, Gas Analyzer
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Production Lines
- 1
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Production Machines
- Assembling Line, Label Marking Machine, Welding Machine
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QA/QC inspectors
- 1 people
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Inspection Type for Finished Products
- Random inspection(Visual inspection & Function inspection)
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Inspection Method for Finished Products
- Have instructions and uniformly followed
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Customization Options
- Customization from Samples, Full Customization, Customization from Designs, Minor Customization, Flexible customization
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ODM Service Available
- Yes
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OEM Service Available
- Yes
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R&D Engineers
- 1 people
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Traceability of Raw Materials
- Yes
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Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2014-01-13
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Export Year
- 5 Years
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Main Markets
- South America, Southeast Asia/ Mideast, Africa
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Repeat Buyers Choice
- < 10%
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Number of Foreign Trading Staff
- 2
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Overseas Agent/Branch
- No
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New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO9001:2015
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Product Certification
- CCC
FAQ
- Can I have a sample order to test quality?
- Yes, we recommend and welcome sample order to test and check before order.
- Do you offer guarantee for the products?
- Yes, we offer 1 or 2 years guarantee for the products.
- If I order big quantity, Can I have a cheaper price?
- We will reduce the price according to the specific quantity and your requirements for the product.
- How does your factory do regarding the quality control?
- Quality is priority, Our factory has passed ISO 9001 with annual audit. Established a procedure to check products at all stages of the manufacturing process-raw materials, in process materials.validated or tested materials, finished goods.etc.
Send your message to this supplier
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