COMPANY INTRODUCTION
- Professional Provider of Gas Detection & Solutions -
Shenzhen HQT Technology Co., Ltd. is focused on the gas environmental monitoring field. The company is committed to the R&D and application of environmental sensor networks, specializing in producing environmental testing instruments. We supply a complete range of products including toxic & hazardous gas detectors, gas analyzers, gas alarm controllers, dust monitors, and various gas detection devices, serving petroleum, chemical, gas, fire protection, environmental protection, metallurgy, medical, electric power, food, agriculture, urban drainage, scientific research, and grain storage industries.
In addition to complete instruments, we also supply gas sensor modules (electrochemical / PID / NDIR infrared / catalytic combustion β multi-principle optional), supporting 4-20mA, RS485 / Modbus, 0-5VDC, TTL and wireless outputs. We provide OEM / ODM at both instrument and module levels, plus free cloud-platform protocol integration.
Our production base has automated lines and a professional test lab. Our R&D team comes from renowned universities with rich engineering experience and stays at the forefront of industry trends. Looking forward, HQT will continue to provide reliable, professional service and quality products to all customers.
Both a finished-instrument manufacturer and an upstream core-component supplier.
For end-use applications β complete instruments and systems ready for installation.
View Products βFor instrument OEMs and system integrators β modules plus circuit & mechanical design.
View Modules βRange, accuracy, dimensions, mounting, communication protocols β all customizable.
Contact Us βSelection, installation, calibration, cloud-platform integration β full lifecycle support.
Contact Us βStandard production flow + per-unit calibration before delivery.
Full inspection of sensors and key components to ensure batch consistency.
Standardized SOP; explosion-proof structural & sealing parts checked piece by piece.
Per-unit calibration with standard gas; calibration record & certificate included.
Continuous power-on aging with high/low-temperature cycles to eliminate early failure.
Appearance, sealing, electrical performance, and protocol consistency double-checked.
Building B118, No. 3 Dachanwan Port Zone, Xixiang Sub-district, Bao'an District, Shenzhen
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