Welcome to Shenzhen Huanqitong Technology Co., Ltd. β€” Professional Detection Instruments πŸ“ž Tel: 138-2330-8550 πŸ’¬ WhatsApp 13823308550 πŸ“§ Email: 1479246994@qq.com δΈ­ζ–‡

Company Profile

COMPANY INTRODUCTION

- Professional Provider of Gas Detection & Solutions -

Professional Gas Detection & Solutions Provider

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.

HQT Company Building HQT Lab

Our Positioning

Both a finished-instrument manufacturer and an upstream core-component supplier.

Manufacturing & Delivery

Standard production flow + per-unit calibration before delivery.

01

Incoming Inspection

Full inspection of sensors and key components to ensure batch consistency.

02

Assembly

Standardized SOP; explosion-proof structural & sealing parts checked piece by piece.

03

Gas Calibration

Per-unit calibration with standard gas; calibration record & certificate included.

04

Aging Test

Continuous power-on aging with high/low-temperature cycles to eliminate early failure.

05

Final Inspection

Appearance, sealing, electrical performance, and protocol consistency double-checked.

Welcome to Visit Our Factory

Building B118, No. 3 Dachanwan Port Zone, Xixiang Sub-district, Bao'an District, Shenzhen

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