Shenzhen Changqing Instrument Co., Ltd.

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Jinan Changqing Computer Application Co., Ltd.

🇨🇳 China

1992

201-300 people

Manufacturer

Established brand

High-tech enterprise

ODM manufacturer

OEM manufacturer

Key customer

CNPC

Description

Jinan Changqing Computer Application Co., Ltd. is a high-tech manufacturer based in Jinan, China, specializing in the design, development, manufacturing, and servicing of combustible and toxic gas detection instruments and systems. Established in 1992, the company operates with 201-300 employees and is recognized as a leading manufacturer in China's gas monitors market. They offer a comprehensive range of over 100 products, including various gas detectors (portable, fixed, independent), gas alarm control units, explosion-proof electromagnetism valves, insulated flanges, and self-contained breathing apparatus. Jinan Changqing Computer Application Co., Ltd. provides OEM services and holds ISO 9001 certification, alongside other critical product type approvals and quality supervision certificates from Chinese authorities. Their products serve diverse industries such as petroleum chemical, combustible gas transportation, fire-proof, metallurgy, electric power, pharmacy, and mining, with major clients including SINOPEC and CNPC.

SQJ-IA Portable Gas Detector

RB-KX-8D Gas Alarm Control Unit

RB-KY Gas Alarm Control Unit

ZCRB Series Explosion-proof Electromagnetism Valve

RB-II Independent Gas Detector

Fixed Gas Detector (RB-TZ)

RB-KZ Gas Alarm Control Unit

RB-TT Fixed Gas Detector

Jiangsu Zhengqing Electronic Instrument Co., Ltd.

🇨🇳 China

2008

51-100 people

Manufacturer/Trading Company

OEM manufacturer

ODM manufacturer

Own brand

Product customization

Shipments

Key customer

TEXCO

Key market

Oceania

Description

Jiangsu Zhengqing Electronic Instrument Co., Ltd. is a professional manufacturer and trading company established in 2008, headquartered in Suqian City, Jiangsu Province, China. Specializing in the design, development, and production of high-precision measurement instruments, the company maintains a robust manufacturing facility with five production lines and a dedicated R&D team. Their core product portfolio includes a comprehensive range of pressure gauges, such as diving, vacuum, micro-bellows, and stainless steel variants, alongside temperature gauges, manometers, barometers, and hygrometers. They also specialize in automotive tools, including digital tire inflators and ball pressure gauges. Operating under the NEXSPHERE trademark, the company provides extensive OEM and ODM services to meet custom client specifications. Their facilities are CE certified, ensuring all products comply with international quality standards. With a workforce of over 55 employees and an annual production capacity of approximately 1,000,000 units, the company achieves annual sales exceeding USD 10 million. Jiangsu Zhengqing Electronic Instrument Co., Ltd. maintains a strong global presence, exporting 40% of its output to key international markets, including the United States and the European Union. Beyond instrumentation, the company leverages its trading capabilities to supply diverse industrial equipment and automotive accessories, supported by flexible logistics and professional customs clearance assistance.